Enable chrome://gcm-internals on Android

components/gcm_driver/gcm_driver_android.h

Index: components/gcm_driver/gcm_driver_android.h
diff --git a/components/gcm_driver/gcm_driver_android.h b/components/gcm_driver/gcm_driver_android.h
index f9b44d8f98a375973e08f96b8ff4bd4327a42221..191d26f4791b35e17e23f9226830a0594daac677 100644
--- a/components/gcm_driver/gcm_driver_android.h
+++ b/components/gcm_driver/gcm_driver_android.h
@@ -12,6 +12,7 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "components/gcm_driver/gcm_driver.h"
+#include "components/gcm_driver/gcm_stats_recorder_android.h"
 
 namespace base {
 class FilePath;
@@ -21,7 +22,8 @@ class SequencedTaskRunner;
 namespace gcm {
 
 // GCMDriver implementation for Android, using Android GCM APIs.
-class GCMDriverAndroid : public GCMDriver {
+class GCMDriverAndroid : public GCMDriver,
+                         public GCMStatsRecorderAndroid::Delegate {
  public:
   GCMDriverAndroid(
       const base::FilePath& store_path,
@@ -79,6 +81,9 @@ class GCMDriverAndroid : public GCMDriver {
   void AddHeartbeatInterval(const std::string& scope, int interval_ms) override;
   void RemoveHeartbeatInterval(const std::string& scope) override;
 
+  // GCMStatsRecorder::Delegate implementation:
+  void OnActivityRecorded() override;
+
  protected:
   // GCMDriver implementation:
   GCMClient::Result EnsureStarted(GCMClient::StartMode start_mode) override;
@@ -94,6 +99,12 @@ class GCMDriverAndroid : public GCMDriver {
  private:
   base::android::ScopedJavaGlobalRef<jobject> java_ref_;
 
+  // Callback for GetGCMStatistics.
+  GetGCMStatisticsCallback get_gcm_statistics_callback_;
+
+  // Recorder that logs GCM activities.
+  GCMStatsRecorderAndroid recorder_;
+
   DISALLOW_COPY_AND_ASSIGN(GCMDriverAndroid);
 };