Revert "Delete CC."

cc/test/pixel_test.h

Index: cc/test/pixel_test.h
diff --git a/cc/test/pixel_test.h b/cc/test/pixel_test.h
new file mode 100644
index 0000000000000000000000000000000000000000..08bad36932889f364be924095b51a28ef07a7422
--- /dev/null
+++ b/cc/test/pixel_test.h
@@ -0,0 +1,174 @@
+// 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/files/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 "cc/trees/layer_tree_settings.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gl/gl_implementation.h"
+
+#ifndef CC_TEST_PIXEL_TEST_H_
+#define CC_TEST_PIXEL_TEST_H_
+
+namespace cc {
+class CopyOutputResult;
+class DirectRenderer;
+class FakeOutputSurfaceClient;
+class OutputSurface;
+class ResourceProvider;
+class SoftwareRenderer;
+class TestGpuMemoryBufferManager;
+class TestSharedBitmapManager;
+
+class PixelTest : public testing::Test, RendererClient {
+ protected:
+  PixelTest();
+  ~PixelTest() override;
+
+  bool RunPixelTest(RenderPassList* pass_list,
+                    const base::FilePath& ref_file,
+                    const PixelComparator& comparator);
+
+  bool RunPixelTestWithReadbackTarget(
+      RenderPassList* pass_list,
+      RenderPass* target,
+      const base::FilePath& ref_file,
+      const PixelComparator& comparator);
+
+  bool RunPixelTestWithReadbackTargetAndArea(RenderPassList* pass_list,
+                                             RenderPass* target,
+                                             const base::FilePath& ref_file,
+                                             const PixelComparator& comparator,
+                                             const gfx::Rect* copy_rect);
+
+  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<TestSharedBitmapManager> shared_bitmap_manager_;
+  scoped_ptr<TestGpuMemoryBufferManager> gpu_memory_buffer_manager_;
+  scoped_ptr<BlockingTaskRunner> main_thread_task_runner_;
+  scoped_ptr<ResourceProvider> resource_provider_;
+  scoped_ptr<TextureMailboxDeleter> texture_mailbox_deleter_;
+  scoped_ptr<DirectRenderer> renderer_;
+  scoped_ptr<SkBitmap> result_bitmap_;
+  gfx::Vector2d external_device_viewport_offset_;
+  gfx::Rect external_device_clip_rect_;
+
+  void SetUpGLRenderer(bool use_skia_gpu_backend, bool flipped_output_surface);
+  void SetUpSoftwareRenderer();
+
+  void ForceExpandedViewport(const gfx::Size& surface_expansion);
+  void ForceViewportOffset(const gfx::Vector2d& viewport_offset);
+  void ForceDeviceClip(const gfx::Rect& clip);
+  void EnableExternalStencilTest();
+
+  // RendererClient implementation.
+  void SetFullRootLayerDamage() override {}
+
+ private:
+  void ReadbackResult(base::Closure quit_run_loop,
+                      scoped_ptr<CopyOutputResult> result);
+
+  bool PixelsMatchReference(const base::FilePath& ref_file,
+                            const PixelComparator& comparator);
+
+  scoped_ptr<gfx::DisableNullDrawGLBindings> enable_pixel_output_;
+};
+
+template<typename RendererType>
+class RendererPixelTest : public PixelTest {
+ public:
+  RendererType* renderer() {
+    return static_cast<RendererType*>(renderer_.get());
+  }
+
+ protected:
+  void SetUp() override;
+};
+
+// Wrappers to differentiate renderers where the the output surface and viewport
+// have an externally determined size and offset.
+class GLRendererWithExpandedViewport : public GLRenderer {
+ public:
+  GLRendererWithExpandedViewport(RendererClient* client,
+                                 const RendererSettings* settings,
+                                 OutputSurface* output_surface,
+                                 ResourceProvider* resource_provider,
+                                 TextureMailboxDeleter* texture_mailbox_deleter,
+                                 int highp_threshold_min)
+      : GLRenderer(client,
+                   settings,
+                   output_surface,
+                   resource_provider,
+                   texture_mailbox_deleter,
+                   highp_threshold_min) {}
+};
+
+class SoftwareRendererWithExpandedViewport : public SoftwareRenderer {
+ public:
+  SoftwareRendererWithExpandedViewport(RendererClient* client,
+                                       const RendererSettings* settings,
+                                       OutputSurface* output_surface,
+                                       ResourceProvider* resource_provider)
+      : SoftwareRenderer(client, settings, output_surface, resource_provider) {}
+};
+
+class GLRendererWithFlippedSurface : public GLRenderer {
+ public:
+  GLRendererWithFlippedSurface(RendererClient* client,
+                               const RendererSettings* settings,
+                               OutputSurface* output_surface,
+                               ResourceProvider* resource_provider,
+                               TextureMailboxDeleter* texture_mailbox_deleter,
+                               int highp_threshold_min)
+      : GLRenderer(client,
+                   settings,
+                   output_surface,
+                   resource_provider,
+                   texture_mailbox_deleter,
+                   highp_threshold_min) {}
+};
+
+template<>
+inline void RendererPixelTest<GLRenderer>::SetUp() {
+  SetUpGLRenderer(false, false);
+}
+
+template<>
+inline void RendererPixelTest<GLRendererWithExpandedViewport>::SetUp() {
+  SetUpGLRenderer(false, false);
+  ForceExpandedViewport(gfx::Size(50, 50));
+  ForceViewportOffset(gfx::Vector2d(10, 20));
+}
+
+template <>
+inline void RendererPixelTest<GLRendererWithFlippedSurface>::SetUp() {
+  SetUpGLRenderer(false, true);
+}
+
+template <>
+inline void RendererPixelTest<SoftwareRenderer>::SetUp() {
+  SetUpSoftwareRenderer();
+}
+
+template<>
+inline void RendererPixelTest<SoftwareRendererWithExpandedViewport>::SetUp() {
+  SetUpSoftwareRenderer();
+  ForceExpandedViewport(gfx::Size(50, 50));
+  ForceViewportOffset(gfx::Vector2d(10, 20));
+}
+
+typedef RendererPixelTest<GLRenderer> GLRendererPixelTest;
+typedef RendererPixelTest<SoftwareRenderer> SoftwareRendererPixelTest;
+
+}  // namespace cc
+
+#endif  // CC_TEST_PIXEL_TEST_H_