Cleanup: Use content::kAboutBlankURL instead of the raw string in contents/.

content/browser/renderer_host/render_widget_host_view_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/message_loop/message_loop_proxy.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/port/browser/render_widget_host_view_frame_subscriber.h"
 #include "content/port/browser/render_widget_host_view_port.h"
 #include "content/public/browser/compositor_util.h"
 #include "content/public/browser/render_view_host.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/common/url_constants.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 "media/base/video_frame.h"
 #include "media/filters/skcanvas_video_renderer.h"
 #include "net/base/net_util.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkDevice.h"
@@ skipping 234 matching lines @@
     // are some builds that only use compositing and will ignore this switch.
     // Therefore, the call to SetUpSourceSurface() later on will detect whether
     // compositing mode is actually off.  If it's on, the tests will pass
     // blindly, logging a warning message, since we cannot test what the
     // platform/implementation does not support.
     command_line->AppendSwitch(switches::kDisableAcceleratedCompositing);
     RenderWidgetHostViewBrowserTest::SetUpCommandLine(command_line);
   }
 
   virtual GURL TestUrl() {
-    return GURL("about:blank");
+    return GURL(kAboutBlankURL);
   }
 
   virtual bool SetUpSourceSurface(const char* wait_message) OVERRIDE {
     if (IsForceCompositingModeEnabled())
       return false;  // See comment in SetUpCommandLine().
 
     content::DOMMessageQueue message_queue;
     NavigateToURL(shell(), TestUrl());
     if (wait_message != NULL) {
       std::string result(wait_message);
@@ skipping 601 matching lines @@
                                 copy_rect,
                                 output_size,
                                 expected_bitmap_size,
                                 video_frame);
 }
 
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 }  // namespace
 }  // namespace content