Revert "Move webrtc/{base => rtc_base}" (https://codereview.webrtc.org/2877023002)
Will reland in two different commits to preserve git blame history.
BUG=webrtc:7634
NOTRY=True
TBR=kwiberg@webrtc.org
Change-Id: I550da8525aeb9c5b8f96338fcf1c9714f3dcdab1
Reviewed-on: https://chromium-review.googlesource.com/554610
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#18820}diff --git a/webrtc/base/helpers.h b/webrtc/base/helpers.h
index 86a388e..fcf77af 100644
--- a/webrtc/base/helpers.h
+++ b/webrtc/base/helpers.h
@@ -11,9 +11,54 @@
#ifndef WEBRTC_BASE_HELPERS_H_
#define WEBRTC_BASE_HELPERS_H_
+#include <string>
+#include "webrtc/base/basictypes.h"
-// This header is deprecated and is just left here temporarily during
-// refactoring. See https://bugs.webrtc.org/7634 for more details.
-#include "webrtc/rtc_base/helpers.h"
+namespace rtc {
+
+// For testing, we can return predictable data.
+void SetRandomTestMode(bool test);
+
+// Initializes the RNG, and seeds it with the specified entropy.
+bool InitRandom(int seed);
+bool InitRandom(const char* seed, size_t len);
+
+// Generates a (cryptographically) random string of the given length.
+// We generate base64 values so that they will be printable.
+std::string CreateRandomString(size_t length);
+
+// Generates a (cryptographically) random string of the given length.
+// We generate base64 values so that they will be printable.
+// Return false if the random number generator failed.
+bool CreateRandomString(size_t length, std::string* str);
+
+// Generates a (cryptographically) random string of the given length,
+// with characters from the given table. Return false if the random
+// number generator failed.
+// For ease of implementation, the function requires that the table
+// size evenly divide 256; otherwise, it returns false.
+bool CreateRandomString(size_t length, const std::string& table,
+ std::string* str);
+
+// Generates (cryptographically) random data of the given length.
+// Return false if the random number generator failed.
+bool CreateRandomData(size_t length, std::string* data);
+
+// Generates a (cryptographically) random UUID version 4 string.
+std::string CreateRandomUuid();
+
+// Generates a random id.
+uint32_t CreateRandomId();
+
+// Generates a 64 bit random id.
+uint64_t CreateRandomId64();
+
+// Generates a random id > 0.
+uint32_t CreateRandomNonZeroId();
+
+// Generates a random double between 0.0 (inclusive) and 1.0 (exclusive).
+double CreateRandomDouble();
+
+} // namespace rtc
#endif // WEBRTC_BASE_HELPERS_H_