Enable BeginFrame scheduling on aura

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 55a92d0fd397ea4c010027b568c1e2ae9a2eed59..612eb6683b6709c3b02ccd96963efe6eec0d656a 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -64,7 +64,6 @@
 #include "ui/base/hit_test.h"
 #include "ui/base/ime/input_method.h"
 #include "ui/base/ui_base_types.h"
-#include "ui/compositor/compositor_vsync_manager.h"
 #include "ui/compositor/dip_util.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
@@ -453,6 +452,7 @@ RenderWidgetHostViewAura::RenderWidgetHostViewAura(RenderWidgetHost* host,
       has_snapped_to_boundary_(false),
       touch_editing_client_(NULL),
       is_guest_view_hack_(is_guest_view_hack),
+      begin_frame_observer_proxy_(this),
       weak_ptr_factory_(this) {
   if (!is_guest_view_hack_)
     host_->SetView(this);
@@ -482,6 +482,8 @@ bool RenderWidgetHostViewAura::OnMessageReceived(
     // RenderWidgetHostViewAndroid should also be moved at the same time.
     IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
                         OnTextInputStateChanged)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_SetNeedsBeginFrames,
+                        OnSetNeedsBeginFrames)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -711,6 +713,15 @@ ui::TextInputClient* RenderWidgetHostViewAura::GetTextInputClient() {
   return this;
 }
 
+void RenderWidgetHostViewAura::OnSetNeedsBeginFrames(bool needs_begin_frames) {
+  begin_frame_observer_proxy_.SetNeedsBeginFrames(needs_begin_frames);
+}
+
+void RenderWidgetHostViewAura::SendBeginFrame(const cc::BeginFrameArgs& args) {
+  delegated_frame_host_->SetVSyncParameters(args.frame_time, args.interval);
+  host_->Send(new ViewMsg_BeginFrame(host_->GetRoutingID(), args));
+}
+
 void RenderWidgetHostViewAura::SetKeyboardFocus() {
 #if defined(OS_WIN)
   if (CanFocus()) {
@@ -2579,6 +2590,8 @@ void RenderWidgetHostViewAura::AddedToRootWindow() {
 #endif
 
   delegated_frame_host_->SetCompositor(window_->GetHost()->compositor());

[danakj, 2015/03/27 18:03:24]

Would you mind moving this into the if and remove the early out in DFH in
another CL too?

[simonhong, 2015/03/27 18:15:07]

Ok, I will. :)

+  if (window_->GetHost()->compositor())
+    begin_frame_observer_proxy_.SetCompositor(window_->GetHost()->compositor());
 }
 
 void RenderWidgetHostViewAura::RemovingFromRootWindow() {
@@ -2591,6 +2604,7 @@ void RenderWidgetHostViewAura::RemovingFromRootWindow() {
 
   window_->GetHost()->RemoveObserver(this);
   delegated_frame_host_->ResetCompositor();
+  begin_frame_observer_proxy_.ResetCompositor();
 
 #if defined(OS_WIN)
   // Update the legacy window's parent temporarily to the desktop window. It
@@ -2702,12 +2716,6 @@ void RenderWidgetHostViewAura::DelegatedFrameHostOnLostCompositorResources() {
   host_->ScheduleComposite();
 }
 
-void RenderWidgetHostViewAura::DelegatedFrameHostUpdateVSyncParameters(
-    const base::TimeTicks& timebase,
-    const base::TimeDelta& interval) {
-  host_->UpdateVSyncParameters(timebase, interval);
-}
-
 void RenderWidgetHostViewAura::OnDidNavigateMainFrameToNewPage() {
   ui::GestureRecognizer::Get()->CancelActiveTouches(window_);
 }