aura: Clean up compositor initialization/destruction.

content/browser/gpu/gpu_pixel_browsertest.cc

 // Copyright (c) 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/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/shell/shell.h"
 #include "content/test/content_browser_test.h"
 #include "content/test/content_browser_test_utils.h"
 #include "gpu/config/gpu_test_config.h"
 #include "net/base/net_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkColor.h"
-#include "ui/compositor/compositor_setup.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/snapshot/snapshot.h"
 
 namespace {
 
 enum ReferenceImageOption {
   kReferenceImageLocal,
   kReferenceImageCheckedIn,
@@ skipping 61 matching lines @@
 // Test fixture for GPU image comparison tests.
 // TODO(kkania): Document how to add to/modify these tests.
 class GpuPixelBrowserTest : public ContentBrowserTest {
  public:
   GpuPixelBrowserTest()
       : ref_img_revision_(0),
         ref_img_revision_no_older_than_(0),
         ref_img_option_(kReferenceImageNone) {
   }
 
+  virtual void SetUp() {
+    // We expect real pixel output for these tests.
+    UseRealGLContexts();
+
+    ContentBrowserTest::SetUp();
+  }
+
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     command_line->AppendSwitchASCII(switches::kTestGLLib,
                                     "libllvmpipe.so");
   }
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     ContentBrowserTest::SetUpInProcessBrowserTestFixture();
 
     CommandLine* command_line = CommandLine::ForCurrentProcess();
     if (command_line->HasSwitch(switches::kUseGpuInTests))
@@ skipping 24 matching lines @@
         break;
     }
 
     test_name_ = testing::UnitTest::GetInstance()->current_test_info()->name();
     const char* test_status_prefixes[] = {
         "DISABLED_", "FLAKY_", "FAILS_", "MANUAL_"};
     for (size_t i = 0; i < arraysize(test_status_prefixes); ++i) {
       ReplaceFirstSubstringAfterOffset(
           &test_name_, 0, test_status_prefixes[i], std::string());
     }
-
-    ui::DisableTestCompositor();
   }
 
   // If the existing ref image was saved from an revision older than the
   // ref_img_update_revision, refresh the ref image.
   void RunPixelTest(const gfx::Size& tab_container_size,
                     const base::FilePath& url,
                     int64 ref_img_update_revision,
                     const ReferencePixel* ref_pixels,
                     size_t ref_pixel_count) {
     if (ref_img_option_ == kReferenceImageLocal) {
@@ skipping 390 matching lines @@
 
   gfx::Size container_size(400, 300);
   base::FilePath url =
       test_data_dir().AppendASCII("pixel_browser_plugin.html");
   RunPixelTest(container_size, url, ref_img_revision_update,
                ref_pixels, ref_pixel_count);
 }
 
 }  // namespace content