Return a enumeration of the state of handling of InputEvents.

components/plugins/renderer/webview_plugin.cc

 // Copyright 2013 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.
 
 #include "components/plugins/renderer/webview_plugin.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/numerics/safe_conversions.h"
 #include "content/public/common/web_preferences.h"
@@ skipping 182 matching lines @@
   if (delegate_)
     delegate_->OnUnobscuredRectUpdate(gfx::Rect(unobscured_rect));
 }
 
 void WebViewPlugin::updateFocus(bool focused, blink::WebFocusType focus_type) {
   focused_ = focused;
 }
 
 bool WebViewPlugin::acceptsInputEvents() { return true; }
 
-bool WebViewPlugin::handleInputEvent(const WebInputEvent& event,
-                                     WebCursorInfo& cursor) {
+blink::WebInputEventResult WebViewPlugin::handleInputEvent(
+    const WebInputEvent& event,
+    WebCursorInfo& cursor) {
   // For tap events, don't handle them. They will be converted to
   // mouse events later and passed to here.
   if (event.type == WebInputEvent::GestureTap)
-    return false;
+    return blink::WebInputEventResult::NotHandled;
 
   // For LongPress events we return false, since otherwise the context menu will
   // be suppressed. https://crbug.com/482842
   if (event.type == WebInputEvent::GestureLongPress)
-    return false;
+    return blink::WebInputEventResult::NotHandled;
 
   if (event.type == WebInputEvent::ContextMenu) {
     if (delegate_) {
       const WebMouseEvent& mouse_event =
           reinterpret_cast<const WebMouseEvent&>(event);
       delegate_->ShowContextMenu(mouse_event);
     }
-    return true;
+    return blink::WebInputEventResult::HandledDefaultHandler;
   }
   current_cursor_ = cursor;
-  bool handled = web_view_->handleInputEvent(event);
+  blink::WebInputEventResult handled = web_view_->handleInputEvent(event);
   cursor = current_cursor_;
 
   return handled;
 }
 
 void WebViewPlugin::didReceiveResponse(const WebURLResponse& response) {
   DCHECK(response_.isNull());
   response_ = response;
 }
 
@@ skipping 77 matching lines @@
   // By default RenderViewObservers are destroyed along with the RenderView.
   // WebViewPlugin has a custom destruction mechanism, so we disable this.
 }
 
 void WebViewPlugin::OnZoomLevelChanged() {
   if (container_) {
     web_view_->setZoomLevel(
       blink::WebView::zoomFactorToZoomLevel(container_->pageZoomFactor()));
   }
 }