Add browser-global GCMDriver

chrome/test/base/testing_browser_process.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/base/testing_browser_process.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_util.h"
 #include "base/time/default_tick_clock.h"
 #include "build/build_config.h"
@@ skipping 355 matching lines @@
 TestingBrowserProcess::network_time_tracker() {
   if (!network_time_tracker_) {
     DCHECK(local_state_);
     network_time_tracker_.reset(new network_time::NetworkTimeTracker(
         scoped_ptr<base::TickClock>(new base::DefaultTickClock()),
         local_state_));
   }
   return network_time_tracker_.get();
 }
 
+gcm::GCMDriver* TestingBrowserProcess::gcm_driver() {
+  return NULL;
+}
+
 void TestingBrowserProcess::SetSystemRequestContext(
     net::URLRequestContextGetter* context_getter) {
   system_request_context_ = context_getter;
 }
 
 void TestingBrowserProcess::SetLocalState(PrefService* local_state) {
   if (!local_state) {
     // The local_state_ PrefService is owned outside of TestingBrowserProcess,
     // but some of the members of TestingBrowserProcess hold references to it
     // (for example, via PrefNotifier members). But given our test
@@ skipping 40 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
 TestingBrowserProcessInitializer::TestingBrowserProcessInitializer() {
   TestingBrowserProcess::CreateInstance();
 }
 
 TestingBrowserProcessInitializer::~TestingBrowserProcessInitializer() {
   TestingBrowserProcess::DeleteInstance();
 }