test_runner: Move everything else into content namespace.

content/shell/renderer/test_runner/gamepad_controller.h

Index: content/shell/renderer/test_runner/gamepad_controller.h
diff --git a/content/shell/renderer/test_runner/gamepad_controller.h b/content/shell/renderer/test_runner/gamepad_controller.h
index f38fc32210f1785fc53ebb6df6374a16365dbf3e..b648fd08be275f79fe3ae1695c2f28520eb40edc 100644
--- a/content/shell/renderer/test_runner/gamepad_controller.h
+++ b/content/shell/renderer/test_runner/gamepad_controller.h
@@ -12,12 +12,10 @@ namespace blink {
 class WebFrame;
 }
 
-namespace WebTestRunner {
-class WebTestDelegate;
-}
-
 namespace content {
 
+class WebTestDelegate;
+
 class GamepadController : public base::SupportsWeakPtr<GamepadController> {
  public:
   GamepadController();
@@ -25,7 +23,7 @@ class GamepadController : public base::SupportsWeakPtr<GamepadController> {
 
   void Reset();
   void Install(blink::WebFrame* frame);
-  void SetDelegate(WebTestRunner::WebTestDelegate* delegate);
+  void SetDelegate(WebTestDelegate* delegate);
 
  private:
   friend class GamepadControllerBindings;
@@ -48,7 +46,7 @@ class GamepadController : public base::SupportsWeakPtr<GamepadController> {
 
   blink::WebGamepads gamepads_;
 
-  WebTestRunner::WebTestDelegate* delegate_;
+  WebTestDelegate* delegate_;
 
   base::WeakPtrFactory<GamepadController> weak_factory_;