Remove offscreen compositor contexts.

cc/test/pixel_test.h

 // 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 "base/file_util.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/output/software_renderer.h"
 #include "cc/quads/render_pass.h"
 #include "cc/test/pixel_comparator.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 10 matching lines @@
 class OutputSurface;
 class ResourceProvider;
 class SoftwareRenderer;
 class SharedBitmapManager;
 
 class PixelTest : public testing::Test, RendererClient {
  protected:
   PixelTest();
   virtual ~PixelTest();
 
-  enum OffscreenContextOption {
-    NoOffscreenContext,
-    WithOffscreenContext
-  };
-
   bool RunPixelTest(RenderPassList* pass_list,
-                    OffscreenContextOption provide_offscreen_context,
                     const base::FilePath& ref_file,
                     const PixelComparator& comparator);
 
   bool RunPixelTestWithReadbackTarget(
       RenderPassList* pass_list,
       RenderPass* target,
-      OffscreenContextOption provide_offscreen_context,
       const base::FilePath& ref_file,
       const PixelComparator& comparator);
 
   LayerTreeSettings settings_;
   gfx::Size device_viewport_size_;
   bool disable_picture_quad_image_filtering_;
   class PixelTestRendererClient;
   scoped_ptr<FakeOutputSurfaceClient> output_surface_client_;
   scoped_ptr<OutputSurface> output_surface_;
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
@@ skipping 133 matching lines @@
     SoftwareRendererWithExpandedViewport>::ExpandedViewport() const {
   return true;
 }
 
 typedef RendererPixelTest<GLRenderer> GLRendererPixelTest;
 typedef RendererPixelTest<SoftwareRenderer> SoftwareRendererPixelTest;
 
 }  // namespace cc
 
 #endif  // CC_TEST_PIXEL_TEST_H_