Move Android TraceEvent interface to base

base/android/trace_event_binding.h

Index: base/android/trace_event_binding.h
diff --git a/content/common/android/trace_event_binding.h b/base/android/trace_event_binding.h
similarity index 64%
rename from content/common/android/trace_event_binding.h
rename to base/android/trace_event_binding.h
index 10e4e3c134ca9318d6d77e041b92a0dea8f2ba24..1accd488359e7d98ee67884f8f99f0752da441b4 100644
--- a/content/common/android/trace_event_binding.h
+++ b/base/android/trace_event_binding.h
@@ -2,11 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_COMMON_ANDROID_TRACE_EVENT_H_
-#define CONTENT_COMMON_ANDROID_TRACE_EVENT_H_
+#ifndef BASE_ANDROID_TRACE_EVENT_H_
+#define BASE_ANDROID_TRACE_EVENT_H_
 
 #include <jni.h>
 
+namespace base {
+namespace android {
+
 extern bool RegisterTraceEvent(JNIEnv* env);
 
+}  // namespace android
+}  // namespace base
+
 #endif  // CONTENT_COMMON_ANDROID_TRACE_EVENT_H_