Remove offscreen compositor contexts.

cc/surfaces/surfaces_pixeltest.cc

 // Copyright 2014 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 "cc/output/compositor_frame.h"
 #include "cc/quads/render_pass.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/surface_draw_quad.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_aggregator.h"
@@ skipping 62 matching lines @@
 
   SurfaceAggregator aggregator(&manager_);
   scoped_ptr<CompositorFrame> aggregated_frame =
       aggregator.Aggregate(root_surface.surface_id());
 
   bool discard_alpha = false;
   ExactPixelComparator pixel_comparator(discard_alpha);
   RenderPassList* pass_list =
       &aggregated_frame->delegated_frame_data->render_pass_list;
   EXPECT_TRUE(RunPixelTest(pass_list,
-                           PixelTest::NoOffscreenContext,
                            base::FilePath(FILE_PATH_LITERAL("green.png")),
                            pixel_comparator));
 }
 
 // Draws a frame with simple surface embedding.
 TEST_F(SurfacesPixelTest, DrawSimpleAggregatedFrame) {
   gfx::Size child_size(200, 100);
   Surface child_surface(&manager_, NULL, child_size);
   Surface root_surface(&manager_, NULL, device_viewport_size_);
 
@@ skipping 60 matching lines @@
 
   SurfaceAggregator aggregator(&manager_);
   scoped_ptr<CompositorFrame> aggregated_frame =
       aggregator.Aggregate(root_surface.surface_id());
 
   bool discard_alpha = false;
   ExactPixelComparator pixel_comparator(discard_alpha);
   RenderPassList* pass_list =
       &aggregated_frame->delegated_frame_data->render_pass_list;
   EXPECT_TRUE(RunPixelTest(pass_list,
-                           PixelTest::NoOffscreenContext,
                            base::FilePath(FILE_PATH_LITERAL("blue_yellow.png")),
                            pixel_comparator));
 }
 
 // Tests a surface quad that has a non-identity transform into its pass.
 TEST_F(SurfacesPixelTest, DrawAggregatedFrameWithSurfaceTransforms) {
   gfx::Size child_size(100, 200);
   gfx::Size quad_size(100, 100);
   // Structure:
   // root (200x200) -> left_child (100x200 @ 0x0,
@@ skipping 120 matching lines @@
   SurfaceAggregator aggregator(&manager_);
   scoped_ptr<CompositorFrame> aggregated_frame =
       aggregator.Aggregate(root_surface.surface_id());
 
   bool discard_alpha = false;
   ExactPixelComparator pixel_comparator(discard_alpha);
   RenderPassList* pass_list =
       &aggregated_frame->delegated_frame_data->render_pass_list;
   EXPECT_TRUE(RunPixelTest(
       pass_list,
-      PixelTest::NoOffscreenContext,
       base::FilePath(FILE_PATH_LITERAL("four_blue_green_checkers.png")),
       pixel_comparator));
 }
 
 }  // namespace
 }  // namespace cc
 
 #endif  // !defined(OS_ANDROID)