[Android] Restart input only once on focus change

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index a22fec6d3dc9692b67f7fe6b7725a068c9089402..e808bcc2e254bca5dbfc8b95f3bd051bcf25b37f 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -268,6 +268,7 @@ class CONTENT_EXPORT RenderWidget
   void SetInputHandler(RenderWidgetInputHandler* input_handler) override;
   void ShowVirtualKeyboard() override;
   void UpdateTextInputState() override;
+  void ClearTextInputState() override;
   bool WillHandleGestureEvent(const blink::WebGestureEvent& event) override;
   bool WillHandleMouseEvent(const blink::WebMouseEvent& event) override;
 
@@ -292,7 +293,6 @@ class CONTENT_EXPORT RenderWidget
                       blink::WebTextDirection hint) override;
   void setWindowRect(const blink::WebRect&) override;
   blink::WebScreenInfo screenInfo() override;
-  void resetInputMethod() override;
   void didHandleGestureEvent(const blink::WebGestureEvent& event,
                              bool event_cancelled) override;
   void didOverscroll(const blink::WebFloatSize& overscrollDelta,