Reland "Move TextInputController from CppBoundClass to gin::Wrappable."

content/shell/renderer/test_runner/TestInterfaces.h

Index: content/shell/renderer/test_runner/TestInterfaces.h
diff --git a/content/shell/renderer/test_runner/TestInterfaces.h b/content/shell/renderer/test_runner/TestInterfaces.h
index 5e6ed26f7517ab1fe3a2e6e278b51b1225cd18d0..69e490c81d513700183c3f951971046cc30906bb 100644
--- a/content/shell/renderer/test_runner/TestInterfaces.h
+++ b/content/shell/renderer/test_runner/TestInterfaces.h
@@ -26,6 +26,7 @@ class WebView;
 
 namespace content {
 class GamepadController;
+class TextInputController;
 }
 
 namespace WebTestRunner {
@@ -33,7 +34,6 @@ namespace WebTestRunner {
 class AccessibilityController;
 class EventSender;
 class TestRunner;
-class TextInputController;
 class WebTestDelegate;
 class WebTestProxyBase;
 
@@ -65,7 +65,7 @@ private:
     scoped_ptr<AccessibilityController> m_accessibilityController;
     scoped_ptr<EventSender> m_eventSender;
     scoped_ptr<content::GamepadController> m_gamepadController;
-    scoped_ptr<TextInputController> m_textInputController;
+    scoped_ptr<content::TextInputController> m_textInputController;
     scoped_ptr<TestRunner> m_testRunner;
     WebTestDelegate* m_delegate;
     WebTestProxyBase* m_proxy;