Reland "Added option to specify a maximum file size when recording an AEC dump."

talk/media/base/fakemediaengine.h

Index: talk/media/base/fakemediaengine.h
diff --git a/talk/media/base/fakemediaengine.h b/talk/media/base/fakemediaengine.h
index f5b21741d36778c5ded15a1e78226e7b5b599827..3f56512da2042eaba4eaa8b4b50fb39da336d13a 100644
--- a/talk/media/base/fakemediaengine.h
+++ b/talk/media/base/fakemediaengine.h
@@ -762,7 +762,9 @@ class FakeVoiceEngine : public FakeBaseEngine {
 
   int GetInputLevel() { return 0; }
 
-  bool StartAecDump(rtc::PlatformFile file) { return false; }
+  bool StartAecDump(rtc::PlatformFile file, int64_t max_size_bytes) {
+    return false;
+  }
 
   void StopAecDump() {}