Fixed an IME bug due to a race in TextInputStateChanged

content/browser/renderer_host/render_widget_host_delegate.h

Index: content/browser/renderer_host/render_widget_host_delegate.h
diff --git a/content/browser/renderer_host/render_widget_host_delegate.h b/content/browser/renderer_host/render_widget_host_delegate.h
index 1ef3212d4b63270d2bb636624643593f48d7dc24..98aff84f7d31f39cfb25f23ffc918597a843d476 100644
--- a/content/browser/renderer_host/render_widget_host_delegate.h
+++ b/content/browser/renderer_host/render_widget_host_delegate.h
@@ -246,6 +246,12 @@ class CONTENT_EXPORT RenderWidgetHostDelegate {
   // not a WebContents, returns nullptr.
   virtual WebContents* GetAsWebContents();
 
+  // TODO(ekaramad): This is only used for BrowserPlugins. Remove this once the
+  // issue https://crbug.com/533069 is fixed.
+  // Returns true if there are any guests that are currently focused in one of
+  // the delegate's RenderWidgetHosts.
+  virtual bool HasFocusedGuests();
+
  protected:
   virtual ~RenderWidgetHostDelegate() {}
 };