Move enable_webrtc to a buildflag header.

content/renderer/renderer_blink_platform_impl.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 "content/renderer/renderer_blink_platform_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 117 matching lines @@
 #include "content/common/child_process_messages.h"
 #endif
 
 #if defined(USE_AURA)
 #include "content/renderer/webscrollbarbehavior_impl_aura.h"
 #elif !defined(OS_MACOSX)
 #include "third_party/WebKit/public/platform/WebScrollbarBehavior.h"
 #define WebScrollbarBehaviorImpl blink::WebScrollbarBehavior
 #endif
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
 #include "content/renderer/media/rtc_certificate_generator.h"
 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 #endif
 
 using blink::Platform;
 using blink::WebAudioDevice;
 using blink::WebBlobRegistry;
 using blink::WebCanvasCaptureHandler;
 using blink::WebDatabaseObserver;
 using blink::WebFileInfo;
@@ skipping 660 matching lines @@
       platform_event_observers_.Lookup(blink::WebPlatformEventTypeGamepad);
   if (!observer)
     return;
   static_cast<RendererGamepadProvider*>(observer)->SampleGamepads(gamepads);
 }
 
 //------------------------------------------------------------------------------
 
 WebMediaRecorderHandler*
 RendererBlinkPlatformImpl::createMediaRecorderHandler() {
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   return new content::MediaRecorderHandler();
 #else
   return nullptr;
 #endif
 }
 
 //------------------------------------------------------------------------------
 
 WebRTCPeerConnectionHandler*
 RendererBlinkPlatformImpl::createRTCPeerConnectionHandler(
     WebRTCPeerConnectionHandlerClient* client) {
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   WebRTCPeerConnectionHandler* peer_connection_handler =
       GetContentClient()->renderer()->OverrideCreateWebRTCPeerConnectionHandler(
           client);
   if (peer_connection_handler)
     return peer_connection_handler;
 
   PeerConnectionDependencyFactory* rtc_dependency_factory =
       render_thread->GetPeerConnectionDependencyFactory();
   return rtc_dependency_factory->CreateRTCPeerConnectionHandler(client);
 #else
   return NULL;
-#endif  // defined(ENABLE_WEBRTC)
+#endif  // BUILDFLAG(ENABLE_WEBRTC)
 }
 
 //------------------------------------------------------------------------------
 
 blink::WebRTCCertificateGenerator*
 RendererBlinkPlatformImpl::createRTCCertificateGenerator() {
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   return new RTCCertificateGenerator();
 #else
   return nullptr;
-#endif  // defined(ENABLE_WEBRTC)
+#endif  // BUILDFLAG(ENABLE_WEBRTC)
 }
 
 //------------------------------------------------------------------------------
 
 WebMediaStreamCenter* RendererBlinkPlatformImpl::createMediaStreamCenter(
     WebMediaStreamCenterClient* client) {
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
   return render_thread->CreateMediaStreamCenter(client);
 }
 
 // static
 bool RendererBlinkPlatformImpl::SetSandboxEnabledForTesting(bool enable) {
   bool was_enabled = g_sandbox_enabled;
   g_sandbox_enabled = enable;
   return was_enabled;
 }
 
 //------------------------------------------------------------------------------
 
 WebCanvasCaptureHandler* RendererBlinkPlatformImpl::createCanvasCaptureHandler(
     const WebSize& size,
     double frame_rate,
     WebMediaStreamTrack* track) {
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   return CanvasCaptureHandler::CreateCanvasCaptureHandler(
       size, frame_rate, RenderThread::Get()->GetIOTaskRunner(), track);
 #else
   return nullptr;
-#endif  // defined(ENABLE_WEBRTC)
+#endif  // BUILDFLAG(ENABLE_WEBRTC)
 }
 
 //------------------------------------------------------------------------------
 
 void RendererBlinkPlatformImpl::createHTMLVideoElementCapturer(
     WebMediaStream* web_media_stream,
     WebMediaPlayer* web_media_player) {
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   DCHECK(web_media_stream);
   DCHECK(web_media_player);
   AddVideoTrackToMediaStream(
       HtmlVideoElementCapturerSource::CreateFromWebMediaPlayerImpl(
           web_media_player, content::RenderThread::Get()->GetIOTaskRunner()),
       false,  // is_remote
       false,  // is_readonly
       web_media_stream);
 #endif
 }
 
 void RendererBlinkPlatformImpl::createHTMLAudioElementCapturer(
     WebMediaStream* web_media_stream,
     WebMediaPlayer* web_media_player) {
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   DCHECK(web_media_stream);
   DCHECK(web_media_player);
 
   blink::WebMediaStreamSource web_media_stream_source;
   blink::WebMediaStreamTrack web_media_stream_track;
   const WebString track_id = WebString::fromUTF8(base::GenerateGUID());
 
   web_media_stream_source.initialize(track_id,
                                      blink::WebMediaStreamSource::TypeAudio,
                                      track_id,
                                      false /* is_remote */);
   web_media_stream_track.initialize(web_media_stream_source);
 
   MediaStreamAudioSource* const media_stream_source =
       HtmlAudioElementCapturerSource::CreateFromWebMediaPlayerImpl(
           web_media_player);
 
   // Takes ownership of |media_stream_source|.
   web_media_stream_source.setExtraData(media_stream_source);
 
   media_stream_source->ConnectToTrack(web_media_stream_track);
   web_media_stream->addTrack(web_media_stream_track);
 #endif
 }
 
 //------------------------------------------------------------------------------
 
 WebImageCaptureFrameGrabber*
 RendererBlinkPlatformImpl::createImageCaptureFrameGrabber() {
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   return new ImageCaptureFrameGrabber();
 #else
   return nullptr;
-#endif  // defined(ENABLE_WEBRTC)
+#endif  // BUILDFLAG(ENABLE_WEBRTC)
 }
 
 //------------------------------------------------------------------------------
 
 blink::WebSpeechSynthesizer* RendererBlinkPlatformImpl::createSpeechSynthesizer(
     blink::WebSpeechSynthesizerClient* client) {
   return GetContentClient()->renderer()->OverrideSpeechSynthesizer(client);
 }
 
 //------------------------------------------------------------------------------
@@ skipping 332 matching lines @@
   return &trial_token_validator_;
 }
 
 void RendererBlinkPlatformImpl::workerContextCreated(
     const v8::Local<v8::Context>& worker) {
   GetContentClient()->renderer()->DidInitializeWorkerContextOnWorkerThread(
       worker);
 }
 
 }  // namespace content