Implement HasPermission() method in PermissionService.

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 1953 matching lines @@
                               requesting_frame.GetOrigin(),
                               user_gesture,
                               result_callback);
       break;
     case content::PERMISSION_NUM:
       NOTREACHED() << "Invalid RequestPermission for " << permission;
       break;
   }
 }
 
+void ChromeContentBrowserClient::HasPermission(
+    content::PermissionType permission,
+    content::WebContents* web_contents,
+    const GURL& requesting_frame,
+    const base::Callback<void(bool)>& result_callback) {
+  Profile* profile =
+      Profile::FromBrowserContext(web_contents->GetBrowserContext());
+
+  PermissionContextBase* context = nullptr;
+  switch (permission) {
+    case content::PERMISSION_MIDI_SYSEX:
+      context = MidiPermissionContextFactory::GetForProfile(profile);
+      break;
+    case content::PERMISSION_NOTIFICATIONS:
+#if defined(ENABLE_NOTIFICATIONS)
+      context = DesktopNotificationServiceFactory::GetForProfile(profile);
+#else
+      NOTIMPLEMENTED();
+#endif
+      break;
+    case content::PERMISSION_GEOLOCATION:
+      context = GeolocationPermissionContextFactory::GetForProfile(profile);
+      break;
+    case content::PERMISSION_PROTECTED_MEDIA:
+#if defined(OS_ANDROID)
+      context = ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
+          profile);
+#else
+      NOTIMPLEMENTED();
+#endif
+      break;
+    case content::PERMISSION_PUSH_MESSAGING:
+      context = gcm::PushMessagingPermissionContextFactory::GetForProfile(
+          profile);
+      break;
+    case content::PERMISSION_NUM:
+      NOTREACHED() << "Invalid RequestPermission for " << permission;
+      break;
+  }
+
+  if (!context)
+    result_callback.Run(false);
+
+  ContentSetting result = context->GetPermissionStatus(
+      requesting_frame.GetOrigin(),
+      web_contents->GetLastCommittedURL().GetOrigin());
+  result_callback.Run(result == CONTENT_SETTING_ALLOW);
+}
+
 void ChromeContentBrowserClient::CancelPermissionRequest(
     content::PermissionType permission,
     content::WebContents* web_contents,
     int bridge_id,
     const GURL& requesting_frame) {
   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
 
   const PermissionRequestID request_id(render_process_id,
                                        render_view_id,
@@ skipping 689 matching lines @@
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)
 
 }  // namespace chrome