Move enable extensions define to a build flag.

chrome/browser/media/webrtc/media_capture_devices_dispatcher.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/media/webrtc/media_capture_devices_dispatcher.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 13 matching lines @@
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/media_capture_devices.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/media_stream_request.h"
 #include "extensions/common/constants.h"
+#include "extensions/features/features.h"
 #include "media/base/media_switches.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/shell.h"
 #endif  // defined(OS_CHROMEOS)
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/browser/media/extension_media_access_handler.h"
 #include "chrome/browser/media/webrtc/desktop_capture_access_handler.h"
 #include "chrome/browser/media/webrtc/tab_capture_access_handler.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/permissions/permissions_data.h"
 #endif
 
 using content::BrowserThread;
 using content::MediaCaptureDevices;
 using content::MediaStreamDevices;
 
 namespace {
 
 // Finds a device in |devices| that has |device_id|, or NULL if not found.
 const content::MediaStreamDevice* FindDeviceWithId(
     const content::MediaStreamDevices& devices,
     const std::string& device_id) {
   content::MediaStreamDevices::const_iterator iter = devices.begin();
   for (; iter != devices.end(); ++iter) {
     if (iter->id == device_id) {
       return &(*iter);
     }
   }
   return NULL;
 }
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 inline CaptureAccessHandlerBase* ToCaptureAccessHandlerBase(
     MediaAccessHandler* handler) {
   return static_cast<CaptureAccessHandlerBase*>(handler);
 }
 #endif
 }  // namespace
 
 MediaCaptureDevicesDispatcher* MediaCaptureDevicesDispatcher::GetInstance() {
   return base::Singleton<MediaCaptureDevicesDispatcher>::get();
 }
 
 MediaCaptureDevicesDispatcher::MediaCaptureDevicesDispatcher()
     : is_device_enumeration_disabled_(false),
       media_stream_capture_indicator_(new MediaStreamCaptureIndicator()) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   media_access_handlers_.push_back(new ExtensionMediaAccessHandler());
   media_access_handlers_.push_back(new DesktopCaptureAccessHandler());
   media_access_handlers_.push_back(new TabCaptureAccessHandler());
 #endif
   media_access_handlers_.push_back(new PermissionBubbleMediaAccessHandler());
 }
 
 MediaCaptureDevicesDispatcher::~MediaCaptureDevicesDispatcher() {}
 
 void MediaCaptureDevicesDispatcher::RegisterProfilePrefs(
@@ skipping 273 matching lines @@
     int render_frame_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   for (auto& observer : observers_)
     observer.OnCreatingAudioStream(render_process_id, render_frame_id);
 }
 
 bool MediaCaptureDevicesDispatcher::IsInsecureCapturingInProgress(
     int render_process_id,
     int render_frame_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   for (MediaAccessHandler* handler : media_access_handlers_) {
     if (handler->SupportsStreamType(content::MEDIA_DESKTOP_VIDEO_CAPTURE,
                                     nullptr) ||
         handler->SupportsStreamType(content::MEDIA_TAB_VIDEO_CAPTURE,
                                     nullptr)) {
       if (ToCaptureAccessHandlerBase(handler)->IsInsecureCapturingInProgress(
               render_process_id, render_frame_id))
         return true;
     }
   }
@@ skipping 33 matching lines @@
     int render_process_id,
     int render_frame_id,
     int page_request_id,
     content::MediaStreamType stream_type,
     bool is_secure) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (stream_type != content::MEDIA_TAB_VIDEO_CAPTURE &&
       stream_type != content::MEDIA_DESKTOP_VIDEO_CAPTURE)
     return;
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   for (MediaAccessHandler* handler : media_access_handlers_) {
     if (handler->SupportsStreamType(stream_type, nullptr)) {
       ToCaptureAccessHandlerBase(handler)->UpdateCapturingLinkSecured(
           render_process_id, render_frame_id, page_request_id, is_secure);
       break;
     }
   }
 #endif
 }