Add method for identifying different InfoBars

chrome/browser/gpu/three_d_api_observer.cc

 // Copyright 2014 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/gpu/three_d_api_observer.h"
 
 #include "base/macros.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/tab_contents/tab_util.h"
@@ skipping 21 matching lines @@
     IGNORED,
     RELOADED,
     CLOSED_WITHOUT_ACTION,
     DISMISSAL_MAX
   };
 
   ThreeDAPIInfoBarDelegate(const GURL& url, content::ThreeDAPIType requester);
   ~ThreeDAPIInfoBarDelegate() override;
 
   // ConfirmInfoBarDelegate:
+  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
   int GetIconId() const override;
   bool EqualsDelegate(infobars::InfoBarDelegate* delegate) const override;
   ThreeDAPIInfoBarDelegate* AsThreeDAPIInfoBarDelegate() override;
   base::string16 GetMessageText() const override;
   base::string16 GetButtonLabel(InfoBarButton button) const override;
   bool Accept() override;
   bool Cancel() override;
   base::string16 GetLinkText() const override;
   GURL GetLinkURL() const override;
 
@@ skipping 28 matching lines @@
       action_taken_(false) {
 }
 
 ThreeDAPIInfoBarDelegate::~ThreeDAPIInfoBarDelegate() {
   if (message_text_queried_ && !action_taken_) {
     UMA_HISTOGRAM_ENUMERATION("GPU.ThreeDAPIInfoBarDismissal",
                               CLOSED_WITHOUT_ACTION, DISMISSAL_MAX);
   }
 }
 
+infobars::InfoBarDelegate::InfoBarIdentifier
+ThreeDAPIInfoBarDelegate::GetIdentifier() const {
+  return THREE_D_API_INFOBAR_DELEGATE;
+}
+
 int ThreeDAPIInfoBarDelegate::GetIconId() const {
   return IDR_INFOBAR_3D_BLOCKED;
 }
 
 bool ThreeDAPIInfoBarDelegate::EqualsDelegate(
     infobars::InfoBarDelegate* delegate) const {
   // For the time being, if a given web page is actually using both
   // WebGL and Pepper 3D and both APIs are blocked, just leave the
   // first infobar up. If the user selects "try again", both APIs will
   // be unblocked and the web page reload will succeed.
@@ skipping 69 matching lines @@
                                        int render_process_id,
                                        int render_frame_id,
                                        content::ThreeDAPIType requester) {
   content::WebContents* web_contents = tab_util::GetWebContentsByFrameID(
       render_process_id, render_frame_id);
   if (!web_contents)
     return;
   ThreeDAPIInfoBarDelegate::Create(
       InfoBarService::FromWebContents(web_contents), top_origin_url, requester);
 }