Remove unused gpu message fields.

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 624d257cee6e7e242eb882f4c085167dab3b9f69..81ee608adebc351dafde63009d3c8d056190805b 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -978,13 +978,11 @@ bool RenderWidgetHostViewAura::HasAcceleratedSurface(
 // TODO(backer): Drop the |shm_handle| once I remove some unused service side
 // code.
 void RenderWidgetHostViewAura::AcceleratedSurfaceNew(
-      int32 width_in_pixel,
-      int32 height_in_pixel,
       uint64 surface_handle,
       const std::string& mailbox_name) {
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
   scoped_refptr<ui::Texture> surface(factory->CreateTransportClient(
-      gfx::Size(width_in_pixel, height_in_pixel), device_scale_factor_,
+      gfx::Size(0, 0), device_scale_factor_,
       mailbox_name));
   if (!surface) {
     LOG(ERROR) << "Failed to create ImageTransport texture";