Revert of Browser Side Text Input State Tracking for OOPIF (Manual).

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index e136c089a42ebe0a20b12be03c0e3ffb08ff0c50..1532054100ce99928c685a3c5d989ac12cb69f2e 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -613,9 +613,6 @@ class CONTENT_EXPORT WebContentsImpl
                               const std::vector<uint8_t>& proto) override;
   void OnRenderFrameProxyVisibilityChanged(bool visible) override;
   void SendScreenRects() override;
-  const TextInputState* GetTextInputState() override;
-  void UpdateTextInputState(RenderWidgetHostViewBase* rwhv,
-                            bool text_input_state_changed) override;
 
   // RenderFrameHostManager::Delegate ------------------------------------------
 
@@ -1359,13 +1356,6 @@ private:
 
   bool page_scale_factor_is_one_;
 
-  // The RWHV which is currently focused.
-  base::WeakPtr<RenderWidgetHostViewBase> view_with_active_text_input_;
-
-  // A copy of the text input state from |view_with_active_text_input_| when
-  // there exists one, or empty (type == ui::TEXT_INPUT_TYPE_NONE) if otherwise.
-  std::unique_ptr<TextInputState> text_input_state_;
-
   base::WeakPtrFactory<WebContentsImpl> loading_weak_factory_;
   base::WeakPtrFactory<WebContentsImpl> weak_factory_;