test_runner: Move everything else into content namespace.

content/shell/renderer/test_runner/accessibility_controller.h

Index: content/shell/renderer/test_runner/accessibility_controller.h
diff --git a/content/shell/renderer/test_runner/accessibility_controller.h b/content/shell/renderer/test_runner/accessibility_controller.h
index 30e0131703bdc5a69a74e2833251494fae7af78a..5ea475fc9acac1c4fedc6d6431d3b2f47ffe0cbc 100644
--- a/content/shell/renderer/test_runner/accessibility_controller.h
+++ b/content/shell/renderer/test_runner/accessibility_controller.h
@@ -18,12 +18,10 @@ class WebString;
 class WebView;
 }
 
-namespace WebTestRunner {
-class WebTestDelegate;
-}
-
 namespace content {
 
+class WebTestDelegate;
+
 class AccessibilityController :
       public base::SupportsWeakPtr<AccessibilityController> {
  public:
@@ -37,7 +35,7 @@ class AccessibilityController :
   void NotificationReceived(const blink::WebAXObject& target,
                             const std::string& notification_name);
 
-  void SetDelegate(WebTestRunner::WebTestDelegate* delegate);
+  void SetDelegate(WebTestDelegate* delegate);
   void SetWebView(blink::WebView* web_view);
 
  private:
@@ -64,7 +62,7 @@ class AccessibilityController :
 
   v8::Persistent<v8::Function> notification_callback_;
 
-  WebTestRunner::WebTestDelegate* delegate_;
+  WebTestDelegate* delegate_;
   blink::WebView* web_view_;
 
   base::WeakPtrFactory<AccessibilityController> weak_factory_;