Reformat the WebRTC code base

Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
diff --git a/api/rtpreceiverinterface.h b/api/rtpreceiverinterface.h
index 0e32eae..30eb667 100644
--- a/api/rtpreceiverinterface.h
+++ b/api/rtpreceiverinterface.h
@@ -128,17 +128,17 @@
 // TODO(deadbeef): Move this to .cc file and out of api/. What threads methods
 // are called on is an implementation detail.
 BEGIN_SIGNALING_PROXY_MAP(RtpReceiver)
-  PROXY_SIGNALING_THREAD_DESTRUCTOR()
-  PROXY_CONSTMETHOD0(rtc::scoped_refptr<MediaStreamTrackInterface>, track)
-  PROXY_CONSTMETHOD0(std::vector<rtc::scoped_refptr<MediaStreamInterface>>,
-                     streams)
-  PROXY_CONSTMETHOD0(cricket::MediaType, media_type)
-  PROXY_CONSTMETHOD0(std::string, id)
-  PROXY_CONSTMETHOD0(RtpParameters, GetParameters);
-  PROXY_METHOD1(bool, SetParameters, const RtpParameters&)
-  PROXY_METHOD1(void, SetObserver, RtpReceiverObserverInterface*);
-  PROXY_CONSTMETHOD0(std::vector<RtpSource>, GetSources);
-  END_PROXY_MAP()
+PROXY_SIGNALING_THREAD_DESTRUCTOR()
+PROXY_CONSTMETHOD0(rtc::scoped_refptr<MediaStreamTrackInterface>, track)
+PROXY_CONSTMETHOD0(std::vector<rtc::scoped_refptr<MediaStreamInterface>>,
+                   streams)
+PROXY_CONSTMETHOD0(cricket::MediaType, media_type)
+PROXY_CONSTMETHOD0(std::string, id)
+PROXY_CONSTMETHOD0(RtpParameters, GetParameters);
+PROXY_METHOD1(bool, SetParameters, const RtpParameters&)
+PROXY_METHOD1(void, SetObserver, RtpReceiverObserverInterface*);
+PROXY_CONSTMETHOD0(std::vector<RtpSource>, GetSources);
+END_PROXY_MAP()
 
 }  // namespace webrtc