Migrate geolocation permissions to the new common permission class.

chrome/browser/content_settings/permission_context_base.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/content_settings/permission_context_base.h"
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/permission_bubble_request_impl.h"
 #include "chrome/browser/content_settings/permission_context_uma_util.h"
 #include "chrome/browser/content_settings/permission_queue_controller.h"
 #include "chrome/browser/content_settings/permission_request_id.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 
 PermissionContextBase::PermissionContextBase(
     Profile* profile,
     const ContentSettingsType permission_type)
     : profile_(profile),
       permission_type_(permission_type),
+      shutting_down_(false),
       weak_factory_(this) {
   permission_queue_controller_.reset(
       new PermissionQueueController(profile_, permission_type_));
 }
 
 PermissionContextBase::~PermissionContextBase() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 }
 
 void PermissionContextBase::RequestPermission(
     content::WebContents* web_contents,
     const PermissionRequestID& id,
     const GURL& requesting_frame,
     bool user_gesture,
     const BrowserPermissionCallback& callback) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
+  if (shutting_down_)
+    return;
   DecidePermission(web_contents,
                    id,
                    requesting_frame.GetOrigin(),
                    web_contents->GetLastCommittedURL().GetOrigin(),
                    user_gesture,
                    callback);
 }
 
+void PermissionContextBase::CancelPermissionRequest(
+    content::WebContents* web_contents,
+    const PermissionRequestID& id) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));

[Bernhard Bauer, 2014/08/13 21:05:08]

Nit: DCHECK_CURRENTLY_ON?

+  if (shutting_down_)
+    return;
+
+  if (PermissionBubbleManager::Enabled()) {
+    PermissionBubbleRequest* cancelling =
+        pending_bubbles_.get(id.ToString());
+    if (cancelling != NULL && web_contents != NULL &&
+        PermissionBubbleManager::FromWebContents(web_contents) != NULL) {
+      PermissionBubbleManager::FromWebContents(web_contents)->
+          CancelRequest(cancelling);
+    }
+    return;
+  }
+
+  GetQueueController()->CancelInfoBarRequest(id);
+}
+
 void PermissionContextBase::DecidePermission(
     content::WebContents* web_contents,
     const PermissionRequestID& id,
     const GURL& requesting_origin,
     const GURL& embedder_origin,
     bool user_gesture,
     const BrowserPermissionCallback& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   ContentSetting content_setting =
-      profile_->GetHostContentSettingsMap()->GetContentSetting(
+      profile_->GetHostContentSettingsMap()
+      ->GetContentSettingAndMaybeUpdateLastUsage(
           requesting_origin, embedder_origin, permission_type_, std::string());
   switch (content_setting) {
     case CONTENT_SETTING_BLOCK:
       NotifyPermissionSet(id, requesting_origin, embedder_origin,
                           callback, false /* persist */, false /* granted */);
       return;
     case CONTENT_SETTING_ALLOW:
       NotifyPermissionSet(id, requesting_origin, embedder_origin,
                           callback, false /* persist */, true /* granted */);
       return;
@@ skipping 104 matching lines @@
   DCHECK_EQ(embedder_origin, embedder_origin.GetOrigin());
   ContentSetting content_setting =
       allowed ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK;
   profile_->GetHostContentSettingsMap()->SetContentSetting(
       ContentSettingsPattern::FromURLNoWildcard(requesting_origin),
       ContentSettingsPattern::FromURLNoWildcard(embedder_origin),
       permission_type_,
       std::string(),
       content_setting);
 }
+
+void PermissionContextBase::Shutdown() {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  shutting_down_ = true;
+}