Minor scoped_refptr cleanup in cc::OutputSurface.

cc/output/renderer_pixeltest.cc

 // Copyright 2012 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 "base/message_loop/message_loop.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/picture_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
@@ skipping 518 matching lines @@
                      y_resource,
                      u_resource,
                      v_resource,
                      a_resource,
                      color_space);
   }
 
   virtual void SetUp() OVERRIDE {
     GLRendererPixelTest::SetUp();
     video_resource_updater_.reset(new VideoResourceUpdater(
-        output_surface_->context_provider().get(), resource_provider_.get()));
+        output_surface_->context_provider(), resource_provider_.get()));
   }
 
  private:
   scoped_ptr<VideoResourceUpdater> video_resource_updater_;
 };
 
 TEST_F(VideoGLRendererPixelTest, SimpleYUVRect) {
   gfx::Rect rect(this->device_viewport_size_);
 
   RenderPassId id(1, 1);
@@ skipping 1659 matching lines @@
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
       base::FilePath(FILE_PATH_LITERAL("wrap_mode_repeat.png")),
       FuzzyPixelOffByOneComparator(true)));
 }
 
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace
 }  // namespace cc