Android: Add support for TraceEvent before the native library is loaded.

base/android/early_trace_event_binding.h

Index: base/android/early_trace_event_binding.h
diff --git a/base/android/record_user_action.h b/base/android/early_trace_event_binding.h
similarity index 55%
copy from base/android/record_user_action.h
copy to base/android/early_trace_event_binding.h
index 2c2b854a490bcf404ce857a586467482be60bc61..be2ba4b485471b30d0aa51ccc08b05ca8b835a33 100644
--- a/base/android/record_user_action.h
+++ b/base/android/early_trace_event_binding.h
@@ -2,18 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef BASE_ANDROID_RECORD_USER_ACTION_H_
-#define BASE_ANDROID_RECORD_USER_ACTION_H_
+#ifndef BASE_ANDROID_EARLY_TRACE_EVENT_BINDING_H_
+#define BASE_ANDROID_EARLY_TRACE_EVENT_BINDING_H_
 
 #include <jni.h>
 
 namespace base {
 namespace android {
 
-// Registers the native methods through jni
-bool RegisterRecordUserAction(JNIEnv* env);
+extern bool RegisterEarlyTraceEvent(JNIEnv* env);

[Yaron, 2016/07/05 16:43:56]

Why extern?

[Benoit L, 2016/07/06 14:00:33]

Done.

 
 }  // namespace android
 }  // namespace base
 
-#endif  // BASE_ANDROID_RECORD_USER_ACTION_H_
+#endif  // BASE_ANDROID_EARLY_TRACE_EVENT_BINDING_H_