Move about://-related constants from //content to //url

content/browser/accessibility/accessibility_win_browsertest.cc

Index: content/browser/accessibility/accessibility_win_browsertest.cc
diff --git a/content/browser/accessibility/accessibility_win_browsertest.cc b/content/browser/accessibility/accessibility_win_browsertest.cc
index b380f96a37334ebfd07f489e9714edcdf9fd0f1a..695c96b047bb30825a1a54243ee49ef1dc96adcd 100644
--- a/content/browser/accessibility/accessibility_win_browsertest.cc
+++ b/content/browser/accessibility/accessibility_win_browsertest.cc
@@ -419,7 +419,7 @@ base::string16 AccessibleChecker::RoleVariantToString(
 
 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
                        MAYBE(TestBusyAccessibilityTree)) {
-  NavigateToURL(shell(), GURL(kAboutBlankURL));
+  NavigateToURL(shell(), GURL(url::kAboutBlankURL));
 
   // The initial accessible returned should have state STATE_SYSTEM_BUSY while
   // the accessibility tree is being requested from the renderer.
@@ -463,7 +463,7 @@ IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
   EXPECT_NE(parent_dispatch, reinterpret_cast<IDispatch*>(NULL));
 
   // Navigate to another page.
-  NavigateToURL(shell(), GURL(kAboutBlankURL));
+  NavigateToURL(shell(), GURL(url::kAboutBlankURL));
 
   // Verify that the IAccessible reference still points to a valid object and
   // that calls to its methods fail since the tree is no longer valid after