Add WebScheduler implementation to HTMLViewer

mojo/services/html_viewer/blink_platform_impl.cc

 // Copyright 2014 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 "mojo/services/html_viewer/blink_platform_impl.h"
 
 #include <cmath>
 
 #include "base/rand_util.h"
 #include "base/stl_util.h"
@@ skipping 33 matching lines @@
 };
 
 }  // namespace
 
 BlinkPlatformImpl::BlinkPlatformImpl()
     : main_loop_(base::MessageLoop::current()),
       shared_timer_func_(NULL),
       shared_timer_fire_time_(0.0),
       shared_timer_fire_time_was_set_while_suspended_(false),
       shared_timer_suspended_(0),
-      current_thread_slot_(&DestroyCurrentThread) {
+      current_thread_slot_(&DestroyCurrentThread),
+      scheduler_(main_loop_->message_loop_proxy()) {
 }
 
 BlinkPlatformImpl::~BlinkPlatformImpl() {
 }
 
 blink::WebMimeRegistry* BlinkPlatformImpl::mimeRegistry() {
   return &mime_registry_;
 }
 
 blink::WebThemeEngine* BlinkPlatformImpl::themeEngine() {
   return &theme_engine_;
 }
 
+blink::WebScheduler* BlinkPlatformImpl::scheduler() {
+  return &scheduler_;
+}
+
 blink::WebString BlinkPlatformImpl::defaultLocale() {
   return blink::WebString::fromUTF8("en-US");
 }
 
 double BlinkPlatformImpl::currentTime() {
   return base::Time::Now().ToDoubleT();
 }
 
 double BlinkPlatformImpl::monotonicallyIncreasingTime() {
   return base::TimeTicks::Now().ToInternalValue() /
@@ skipping 157 matching lines @@
 }
 
 // static
 void BlinkPlatformImpl::DestroyCurrentThread(void* thread) {
   WebThreadImplForMessageLoop* impl =
       static_cast<WebThreadImplForMessageLoop*>(thread);
   delete impl;
 }
 
 }  // namespace html_viewer