Revert 171569 as it broke some browser_tests on win_aura.

content/common/gpu/image_transport_surface.cc

Index: content/common/gpu/image_transport_surface.cc
===================================================================
--- content/common/gpu/image_transport_surface.cc	(revision 171661)
+++ content/common/gpu/image_transport_surface.cc	(working copy)
@@ -24,6 +24,10 @@
 
 ImageTransportSurface::~ImageTransportSurface() {}
 
+void ImageTransportSurface::OnSetFrontSurfaceIsProtected(
+    bool is_protected, uint32 protection_state_id) {
+}
+
 void ImageTransportSurface::GetRegionsToCopy(
     const gfx::Rect& previous_damage_rect,
     const gfx::Rect& new_damage_rect,
@@ -96,6 +100,8 @@
   IPC_BEGIN_MESSAGE_MAP(ImageTransportHelper, message)
     IPC_MESSAGE_HANDLER(AcceleratedSurfaceMsg_BufferPresented,
                         OnBufferPresented)
+    IPC_MESSAGE_HANDLER(AcceleratedSurfaceMsg_SetFrontSurfaceIsProtected,
+                        OnSetFrontSurfaceIsProtected)
     IPC_MESSAGE_HANDLER(AcceleratedSurfaceMsg_ResizeViewACK, OnResizeViewACK);
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ -206,9 +212,14 @@
   return stub_->decoder();
 }
 
-void ImageTransportHelper::OnBufferPresented(uint64 surface_handle,
+void ImageTransportHelper::OnSetFrontSurfaceIsProtected(
+    bool is_protected, uint32 protection_state_id) {
+  surface_->OnSetFrontSurfaceIsProtected(is_protected, protection_state_id);
+}
+
+void ImageTransportHelper::OnBufferPresented(bool presented,
                                              uint32 sync_point) {
-  surface_->OnBufferPresented(surface_handle, sync_point);
+  surface_->OnBufferPresented(presented, sync_point);
 }
 
 void ImageTransportHelper::OnResizeViewACK() {
@@ -311,7 +322,7 @@
 }
 
 void PassThroughImageTransportSurface::OnBufferPresented(
-    uint64 /* surface_handle */,
+    bool /* presented */,
     uint32 /* sync_point */) {
   DCHECK(transport_);
   helper_->SetScheduled(true);