Add blink::WebInputEvent::IsPinchGestureEventType().

chrome/browser/devtools/devtools_window.cc

 // Copyright (c) 2012 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 "chrome/browser/devtools/devtools_window.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 1124 matching lines @@
 
 void DevToolsWindow::RunFileChooser(content::RenderFrameHost* render_frame_host,
                                     const content::FileChooserParams& params) {
   FileSelectHelper::RunFileChooser(render_frame_host, params);
 }
 
 bool DevToolsWindow::PreHandleGestureEvent(
     WebContents* source,
     const blink::WebGestureEvent& event) {
   // Disable pinch zooming.
-  return event.GetType() == blink::WebGestureEvent::kGesturePinchBegin ||
-         event.GetType() == blink::WebGestureEvent::kGesturePinchUpdate ||
-         event.GetType() == blink::WebGestureEvent::kGesturePinchEnd;
+  return blink::WebInputEvent::IsPinchGestureEventType(event.GetType());
 }
 
 void DevToolsWindow::ShowCertificateViewerInDevTools(
     content::WebContents* web_contents,
     scoped_refptr<net::X509Certificate> certificate) {
   ShowCertificateViewer(certificate);
 }
 
 void DevToolsWindow::ActivateWindow() {
   if (life_stage_ != kLoadCompleted)
@@ skipping 271 matching lines @@
 bool DevToolsWindow::ReloadInspectedWebContents(bool bypass_cache) {
   // Only route reload via front-end if the agent is attached.
   WebContents* wc = GetInspectedWebContents();
   if (!wc || wc->GetCrashedStatus() != base::TERMINATION_STATUS_STILL_RUNNING)
     return false;
   base::Value bypass_cache_value(bypass_cache);
   bindings_->CallClientFunction("DevToolsAPI.reloadInspectedPage",
                                 &bypass_cache_value, nullptr, nullptr);
   return true;
 }