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 3b58cda8d87a12545d5da27930625a6e18789639..d924238005978d4019a9703494fc9d614e3cf6c1 100644
--- a/chrome/browser/services/gcm/gcm_client_mock.cc
+++ b/chrome/browser/services/gcm/gcm_client_mock.cc
@@ -97,6 +97,12 @@ 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();
 }