Return a enumeration of the state of handling of InputEvents.

components/plugins/renderer/webview_plugin.h

Index: components/plugins/renderer/webview_plugin.h
diff --git a/components/plugins/renderer/webview_plugin.h b/components/plugins/renderer/webview_plugin.h
index cfc991eed6d51cba7ac8d45fcefd8f466f8abbbb..75d079c982a5bc63f3d9a8b8176efdccafb0a9a9 100644
--- a/components/plugins/renderer/webview_plugin.h
+++ b/components/plugins/renderer/webview_plugin.h
@@ -101,8 +101,9 @@ class WebViewPlugin : public blink::WebPlugin,
   void updateVisibility(bool) override {}
 
   bool acceptsInputEvents() override;
-  bool handleInputEvent(const blink::WebInputEvent& event,
-                        blink::WebCursorInfo& cursor_info) override;
+  blink::WebInputEventResult handleInputEvent(
+      const blink::WebInputEvent& event,
+      blink::WebCursorInfo& cursor_info) override;
 
   void didReceiveResponse(const blink::WebURLResponse& response) override;
   void didReceiveData(const char* data, int data_length) override;