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

content/browser/renderer_host/render_widget_host_view_mus.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MUS_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MUS_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
@@ skipping 49 matching lines @@
   void SetBackgroundColor(SkColor color) override;
   gfx::Size GetPhysicalBackingSize() const override;
   base::string16 GetSelectedText() const override;
 
   // RenderWidgetHostViewBase implementation.
   void InitAsPopup(RenderWidgetHostView* parent_host_view,
                    const gfx::Rect& bounds) override;
   void InitAsFullscreen(RenderWidgetHostView* reference_host_view) override;
   void UpdateCursor(const WebCursor& cursor) override;
   void SetIsLoading(bool is_loading) override;
-  void UpdateInputMethodIfNecessary(bool text_input_state_changed) override;
+  void TextInputStateChanged(
+      const ViewHostMsg_TextInputState_Params& params) override;
   void ImeCancelComposition() override;
 #if defined(OS_MACOSX) || defined(USE_AURA)
   void ImeCompositionRangeChanged(
       const gfx::Range& range,
       const std::vector<gfx::Rect>& character_bounds) override;
 #endif
   void RenderProcessGone(base::TerminationStatus status,
                          int error_code) override;
   void Destroy() override;
   void SetTooltipText(const base::string16& tooltip_text) override;
@@ skipping 38 matching lines @@
   aura::Window* aura_window_;
 
   std::unique_ptr<mus::ScopedWindowPtr> mus_window_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMus);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MUS_H_