Decouple PassThroughImageTransportSurface from GpuCommandBufferStub

gpu/ipc/service/image_transport_surface_android.cc

Index: gpu/ipc/service/image_transport_surface_android.cc
diff --git a/gpu/ipc/service/image_transport_surface_android.cc b/gpu/ipc/service/image_transport_surface_android.cc
index 6b9caa2116b1973a5ec005d830856906ae291ee8..da0b962633f872c0c3721a2f97e53c4bbefffaba 100644
--- a/gpu/ipc/service/image_transport_surface_android.cc
+++ b/gpu/ipc/service/image_transport_surface_android.cc
@@ -15,7 +15,7 @@ namespace gpu {
 // static
 scoped_refptr<gl::GLSurface> ImageTransportSurface::CreateNativeSurface(
     GpuChannelManager* manager,
-    GpuCommandBufferStub* stub,
+    base::WeakPtr<ImageTransportSurfaceDelegate> delegate,
     SurfaceHandle surface_handle,
     gl::GLSurface::Format format) {
   if (gl::GetGLImplementation() == gl::kGLImplementationMockGL)
@@ -37,7 +37,7 @@ scoped_refptr<gl::GLSurface> ImageTransportSurface::CreateNativeSurface(
     return scoped_refptr<gl::GLSurface>();
 
   return scoped_refptr<gl::GLSurface>(
-      new PassThroughImageTransportSurface(stub, surface.get()));
+      new PassThroughImageTransportSurface(delegate, surface.get()));
 }
 
 }  // namespace gpu