Add activity recording capability to gcm internals page. User can refresh, start/stop recording, an…

chrome/browser/services/gcm/gcm_client_mock.cc

Index: chrome/browser/services/gcm/gcm_client_mock.cc
diff --git a/chrome/browser/services/gcm/gcm_client_mock.cc b/chrome/browser/services/gcm/gcm_client_mock.cc
index 678d6bc7425a76bf22e84e0bf85b2b8a6c207ff3..3f82c5e70d3324dd67912edb3b4e98c3b00f7c4f 100644
--- a/chrome/browser/services/gcm/gcm_client_mock.cc
+++ b/chrome/browser/services/gcm/gcm_client_mock.cc
@@ -95,6 +95,12 @@ void GCMClientMock::Send(const std::string& app_id,
                  message));
 }
 
+void GCMClientMock::SetRecording(bool recording) {
+}
+
+void GCMClientMock::ClearActivityLogs() {
+}
+
 GCMClient::GCMStatistics GCMClientMock::GetStatistics() const {
   return GCMClient::GCMStatistics();
 }