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

content/renderer/cpp_bound_class_unittest.cc

Index: content/renderer/cpp_bound_class_unittest.cc
===================================================================
--- content/renderer/cpp_bound_class_unittest.cc	(revision 215674)
+++ content/renderer/cpp_bound_class_unittest.cc	(working copy)
@@ -7,6 +7,7 @@
 // the binding from the outside by loading JS into the shell.
 
 #include "base/strings/utf_string_conversions.h"
+#include "content/public/common/url_constants.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "content/public/test/render_view_test.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
@@ -69,7 +70,7 @@
   CppBindingExampleWithOptionalFallback example_bound_class_;
 };
 
-}  // namespace anonymous
+}  // namespace
 
 class CppBoundClassTest : public RenderViewTest {
  public:
@@ -82,7 +83,7 @@
 
     WebKit::WebURLRequest url_request;
     url_request.initialize();
-    url_request.setURL(GURL("about:blank"));
+    url_request.setURL(GURL(kAboutBlankURL));
 
     GetMainFrame()->loadRequest(url_request);
     ProcessPendingMessages();