Update content/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

content/common/gpu/image_transport_surface_linux.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/gpu/image_transport_surface.h"
 
 namespace content {
 
 // static
 scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateNativeSurface(
     GpuChannelManager* manager,
     GpuCommandBufferStub* stub,
     const gfx::GLSurfaceHandle& handle) {
   DCHECK(handle.handle);
   DCHECK(handle.transport_type == gfx::NATIVE_DIRECT ||
          handle.transport_type == gfx::NATIVE_TRANSPORT);
   scoped_refptr<gfx::GLSurface> surface =
       gfx::GLSurface::CreateViewGLSurface(false, handle.handle);
-  if (!surface)
+  if (!surface.get())
     return surface;
   return scoped_refptr<gfx::GLSurface>(new PassThroughImageTransportSurface(
       manager, stub, surface.get(), handle.is_transport()));
 }
 
 }  // namespace content