Add begin frame paused to android

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 47f8f8db5280b30ee0bea3bddf19f69c99830ccc..3e5d5b2b8b82c4cc4275a7599b8c27b42ff6380b 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1435,6 +1435,8 @@ void RenderWidgetHostViewAndroid::StartObservingRootWindow() {
     return;
 
   observing_root_window_ = true;
+  if (host_)
+    host_->Send(new ViewMsg_SetBeginFramePaused(host_->GetRoutingID(), false));
   content_view_core_->GetWindowAndroid()->AddObserver(this);
 
   // Clear existing vsync requests to allow a request to the new window.
@@ -1456,6 +1458,8 @@ void RenderWidgetHostViewAndroid::StopObservingRootWindow() {
   is_window_activity_started_ = true;
   is_window_visible_ = true;
   observing_root_window_ = false;
+  if (host_)
+    host_->Send(new ViewMsg_SetBeginFramePaused(host_->GetRoutingID(), true));
   content_view_core_->GetWindowAndroid()->RemoveObserver(this);
 }