Revert "Browser Side Text Input State Tracking for OOPIF."

content/browser/frame_host/interstitial_page_impl.h

Index: content/browser/frame_host/interstitial_page_impl.h
diff --git a/content/browser/frame_host/interstitial_page_impl.h b/content/browser/frame_host/interstitial_page_impl.h
index 18e3df7e75107f698d99fae7ff8c13533cb8f2fa..f619d050d2424a72e3e26465d2e8e5cdf283d6ea 100644
--- a/content/browser/frame_host/interstitial_page_impl.h
+++ b/content/browser/frame_host/interstitial_page_impl.h
@@ -30,7 +30,6 @@ class NavigationControllerImpl;
 class RenderViewHostImpl;
 class RenderWidgetHostView;
 class WebContentsView;
-struct TextInputState;
 
 enum ResourceRequestAction {
   BLOCK,
@@ -154,9 +153,6 @@ class CONTENT_EXPORT InterstitialPageImpl
 
   // RenderWidgetHostDelegate implementation:
   void RenderWidgetDeleted(RenderWidgetHostImpl* render_widget_host) override;
-  const TextInputState* GetTextInputState() override;
-  void UpdateTextInputState(RenderWidgetHostViewBase* rwhv,
-                            bool text_input_state_changed) override;
   bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                               bool* is_keyboard_shortcut) override;
   void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) override;
@@ -299,8 +295,6 @@ class CONTENT_EXPORT InterstitialPageImpl
 
   scoped_refptr<SessionStorageNamespace> session_storage_namespace_;
 
-  scoped_ptr<TextInputState> text_input_state_;
-
   base::WeakPtrFactory<InterstitialPageImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InterstitialPageImpl);