Move talk/app/webrtc to webrtc/api

The previously disabled warnings that were inherited from
talk/build/common.gypi are now replaced by target-specific disabling
of only the failing warnings. Additional disabling was needed since the stricter
compilation warnings that applies to code in webrtc/.

License headers will be updated in a follow-up CL.

Other modifications:
* Updated the header guards.
* Sorted the includes using chromium/src/tools/sort-headers.py
  except for these files:
  talk/app/webrtc/peerconnectionendtoend_unittest.cc
  talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
  talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
  webrtc/media/devices/win32devicemanager.cc

The HAVE_SCTP define was added for the peerconnection_unittests target
in api_tests.gyp.

I also checked that none of
SRTP_RELATIVE_PATH
HAVE_SRTP
HAVE_WEBRTC_VIDEO
HAVE_WEBRTC_VOICE
were used by the talk/app/webrtc code.

For Chromium, the following changes will need to be applied to the roll CL that updates the
DEPS for WebRTC and libjingle:
https://codereview.chromium.org/1615433002

BUG=webrtc:5418
NOPRESUBMIT=True
R=deadbeef@webrtc.org, pthatcher@webrtc.org, tommi@webrtc.org

Review URL: https://codereview.webrtc.org/1610243002 .

Cr-Commit-Position: refs/heads/master@{#11545}
diff --git a/webrtc/api/proxy.h b/webrtc/api/proxy.h
new file mode 100644
index 0000000..384e189
--- /dev/null
+++ b/webrtc/api/proxy.h
@@ -0,0 +1,391 @@
+/*
+ * libjingle
+ * Copyright 2013 Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// This file contains Macros for creating proxies for webrtc MediaStream and
+// PeerConnection classes.
+
+//
+// Example usage:
+//
+// class TestInterface : public rtc::RefCountInterface {
+//  public:
+//   std::string FooA() = 0;
+//   std::string FooB(bool arg1) const = 0;
+//   std::string FooC(bool arg1)= 0;
+//  };
+//
+// Note that return types can not be a const reference.
+//
+// class Test : public TestInterface {
+// ... implementation of the interface.
+// };
+//
+// BEGIN_PROXY_MAP(Test)
+//   PROXY_METHOD0(std::string, FooA)
+//   PROXY_CONSTMETHOD1(std::string, FooB, arg1)
+//   PROXY_METHOD1(std::string, FooC, arg1)
+// END_PROXY()
+//
+// The proxy can be created using TestProxy::Create(Thread*, TestInterface*).
+
+#ifndef WEBRTC_API_PROXY_H_
+#define WEBRTC_API_PROXY_H_
+
+#include "webrtc/base/event.h"
+#include "webrtc/base/thread.h"
+
+namespace webrtc {
+
+template <typename R>
+class ReturnType {
+ public:
+  template<typename C, typename M>
+  void Invoke(C* c, M m) { r_ = (c->*m)(); }
+  template<typename C, typename M, typename T1>
+  void Invoke(C* c, M m, T1 a1) { r_ = (c->*m)(a1); }
+  template<typename C, typename M, typename T1, typename T2>
+  void Invoke(C* c, M m, T1 a1, T2 a2) { r_ = (c->*m)(a1, a2); }
+  template<typename C, typename M, typename T1, typename T2, typename T3>
+  void Invoke(C* c, M m, T1 a1, T2 a2, T3 a3) { r_ = (c->*m)(a1, a2, a3); }
+  template<typename C, typename M, typename T1, typename T2, typename T3,
+      typename T4>
+  void Invoke(C* c, M m, T1 a1, T2 a2, T3 a3, T4 a4) {
+    r_ = (c->*m)(a1, a2, a3, a4);
+  }
+  template<typename C, typename M, typename T1, typename T2, typename T3,
+     typename T4, typename T5>
+  void Invoke(C* c, M m, T1 a1, T2 a2, T3 a3, T4 a4, T5 a5) {
+    r_ = (c->*m)(a1, a2, a3, a4, a5);
+  }
+
+  R value() { return r_; }
+
+ private:
+  R r_;
+};
+
+template <>
+class ReturnType<void> {
+ public:
+  template<typename C, typename M>
+  void Invoke(C* c, M m) { (c->*m)(); }
+  template<typename C, typename M, typename T1>
+  void Invoke(C* c, M m, T1 a1) { (c->*m)(a1); }
+  template<typename C, typename M, typename T1, typename T2>
+  void Invoke(C* c, M m, T1 a1, T2 a2) { (c->*m)(a1, a2); }
+  template<typename C, typename M, typename T1, typename T2, typename T3>
+  void Invoke(C* c, M m, T1 a1, T2 a2, T3 a3) { (c->*m)(a1, a2, a3); }
+
+  void value() {}
+};
+
+namespace internal {
+
+class SynchronousMethodCall
+    : public rtc::MessageData,
+      public rtc::MessageHandler {
+ public:
+  explicit SynchronousMethodCall(rtc::MessageHandler* proxy)
+      : e_(), proxy_(proxy) {}
+  ~SynchronousMethodCall() {}
+
+  void Invoke(rtc::Thread* t) {
+    if (t->IsCurrent()) {
+      proxy_->OnMessage(NULL);
+    } else {
+      e_.reset(new rtc::Event(false, false));
+      t->Post(this, 0);
+      e_->Wait(rtc::Event::kForever);
+    }
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { proxy_->OnMessage(NULL); e_->Set(); }
+  rtc::scoped_ptr<rtc::Event> e_;
+  rtc::MessageHandler* proxy_;
+};
+
+}  // namespace internal
+
+template <typename C, typename R>
+class MethodCall0 : public rtc::Message,
+                    public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)();
+  MethodCall0(C* c, Method m) : c_(c), m_(m) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) {  r_.Invoke(c_, m_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+};
+
+template <typename C, typename R>
+class ConstMethodCall0 : public rtc::Message,
+                         public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)() const;
+  ConstMethodCall0(C* c, Method m) : c_(c), m_(m) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { r_.Invoke(c_, m_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+};
+
+template <typename C, typename R,  typename T1>
+class MethodCall1 : public rtc::Message,
+                    public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)(T1 a1);
+  MethodCall1(C* c, Method m, T1 a1) : c_(c), m_(m), a1_(a1) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { r_.Invoke(c_, m_, a1_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+  T1 a1_;
+};
+
+template <typename C, typename R,  typename T1>
+class ConstMethodCall1 : public rtc::Message,
+                         public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)(T1 a1) const;
+  ConstMethodCall1(C* c, Method m, T1 a1) : c_(c), m_(m), a1_(a1) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { r_.Invoke(c_, m_, a1_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+  T1 a1_;
+};
+
+template <typename C, typename R, typename T1, typename T2>
+class MethodCall2 : public rtc::Message,
+                    public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)(T1 a1, T2 a2);
+  MethodCall2(C* c, Method m, T1 a1, T2 a2) : c_(c), m_(m), a1_(a1), a2_(a2) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { r_.Invoke(c_, m_, a1_, a2_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+  T1 a1_;
+  T2 a2_;
+};
+
+template <typename C, typename R, typename T1, typename T2, typename T3>
+class MethodCall3 : public rtc::Message,
+                    public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)(T1 a1, T2 a2, T3 a3);
+  MethodCall3(C* c, Method m, T1 a1, T2 a2, T3 a3)
+      : c_(c), m_(m), a1_(a1), a2_(a2), a3_(a3) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { r_.Invoke(c_, m_, a1_, a2_, a3_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+  T1 a1_;
+  T2 a2_;
+  T3 a3_;
+};
+
+template <typename C, typename R, typename T1, typename T2, typename T3,
+    typename T4>
+class MethodCall4 : public rtc::Message,
+                    public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)(T1 a1, T2 a2, T3 a3, T4 a4);
+  MethodCall4(C* c, Method m, T1 a1, T2 a2, T3 a3, T4 a4)
+      : c_(c), m_(m), a1_(a1), a2_(a2), a3_(a3), a4_(a4) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { r_.Invoke(c_, m_, a1_, a2_, a3_, a4_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+  T1 a1_;
+  T2 a2_;
+  T3 a3_;
+  T4 a4_;
+};
+
+template <typename C, typename R, typename T1, typename T2, typename T3,
+    typename T4, typename T5>
+class MethodCall5 : public rtc::Message,
+                    public rtc::MessageHandler {
+ public:
+  typedef R (C::*Method)(T1 a1, T2 a2, T3 a3, T4 a4, T5 a5);
+  MethodCall5(C* c, Method m, T1 a1, T2 a2, T3 a3, T4 a4, T5 a5)
+      : c_(c), m_(m), a1_(a1), a2_(a2), a3_(a3), a4_(a4), a5_(a5) {}
+
+  R Marshal(rtc::Thread* t) {
+    internal::SynchronousMethodCall(this).Invoke(t);
+    return r_.value();
+  }
+
+ private:
+  void OnMessage(rtc::Message*) { r_.Invoke(c_, m_, a1_, a2_, a3_, a4_, a5_); }
+
+  C* c_;
+  Method m_;
+  ReturnType<R> r_;
+  T1 a1_;
+  T2 a2_;
+  T3 a3_;
+  T4 a4_;
+  T5 a5_;
+};
+
+#define BEGIN_PROXY_MAP(c)                                                \
+  class c##Proxy : public c##Interface {                                  \
+   protected:                                                             \
+    typedef c##Interface C;                                               \
+    c##Proxy(rtc::Thread* thread, C* c) : owner_thread_(thread), c_(c) {} \
+    ~c##Proxy() {                                                         \
+      MethodCall0<c##Proxy, void> call(this, &c##Proxy::Release_s);       \
+      call.Marshal(owner_thread_);                                        \
+    }                                                                     \
+                                                                          \
+   public:                                                                \
+    static rtc::scoped_refptr<C> Create(rtc::Thread* thread, C* c) {      \
+      return new rtc::RefCountedObject<c##Proxy>(thread, c);              \
+    }
+
+#define PROXY_METHOD0(r, method)                  \
+  r method() override {                           \
+    MethodCall0<C, r> call(c_.get(), &C::method); \
+    return call.Marshal(owner_thread_);           \
+  }
+
+#define PROXY_CONSTMETHOD0(r, method)                  \
+  r method() const override {                          \
+    ConstMethodCall0<C, r> call(c_.get(), &C::method); \
+    return call.Marshal(owner_thread_);                \
+  }
+
+#define PROXY_METHOD1(r, method, t1)                      \
+  r method(t1 a1) override {                              \
+    MethodCall1<C, r, t1> call(c_.get(), &C::method, a1); \
+    return call.Marshal(owner_thread_);                   \
+  }
+
+#define PROXY_CONSTMETHOD1(r, method, t1)                      \
+  r method(t1 a1) const override {                             \
+    ConstMethodCall1<C, r, t1> call(c_.get(), &C::method, a1); \
+    return call.Marshal(owner_thread_);                        \
+  }
+
+#define PROXY_METHOD2(r, method, t1, t2)                          \
+  r method(t1 a1, t2 a2) override {                               \
+    MethodCall2<C, r, t1, t2> call(c_.get(), &C::method, a1, a2); \
+    return call.Marshal(owner_thread_);                           \
+  }
+
+#define PROXY_METHOD3(r, method, t1, t2, t3)                              \
+  r method(t1 a1, t2 a2, t3 a3) override {                                \
+    MethodCall3<C, r, t1, t2, t3> call(c_.get(), &C::method, a1, a2, a3); \
+    return call.Marshal(owner_thread_);                                   \
+  }
+
+#define PROXY_METHOD4(r, method, t1, t2, t3, t4)                             \
+  r method(t1 a1, t2 a2, t3 a3, t4 a4) override {                            \
+    MethodCall4<C, r, t1, t2, t3, t4> call(c_.get(), &C::method, a1, a2, a3, \
+                                           a4);                              \
+    return call.Marshal(owner_thread_);                                      \
+  }
+
+#define PROXY_METHOD5(r, method, t1, t2, t3, t4, t5)                         \
+  r method(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5) override {                     \
+    MethodCall5<C, r, t1, t2, t3, t4, t5> call(c_.get(), &C::method, a1, a2, \
+                                               a3, a4, a5);                  \
+    return call.Marshal(owner_thread_);                                      \
+  }
+
+#define END_PROXY() \
+   private:\
+    void Release_s() {\
+      c_ = NULL;\
+    }\
+    mutable rtc::Thread* owner_thread_;\
+    rtc::scoped_refptr<C> c_;\
+  };\
+
+}  // namespace webrtc
+
+#endif  //  WEBRTC_API_PROXY_H_