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 2c0dafc7ca7e8ec9965e34ad0037d1bb11c193ce..f8cb282a5b2279726b2c2ca3c298668f2b049b3b 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1431,6 +1431,10 @@ void RenderWidgetHostViewAndroid::StartObservingRootWindow() {
     return;
 
   observing_root_window_ = true;
+  if (host_) {
+    host_->Send(new ViewMsg_SetBeginFramePaused(host_->GetRoutingID(),
+                                                !observing_root_window_));

[sunnyps, 2016/05/14 00:56:02]

nit: Change !observing_root_window_ to false.

+  }
   content_view_core_->GetWindowAndroid()->AddObserver(this);
 
   // Clear existing vsync requests to allow a request to the new window.
@@ -1452,6 +1456,10 @@ 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(),
+                                                !observing_root_window_));

[sunnyps, 2016/05/14 00:56:02]

nit: Change !observing_root_window_ to true.

+  }
   content_view_core_->GetWindowAndroid()->RemoveObserver(this);
 }