GN: Make content_shell and webkit_unit_tests work in component build

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 37fa09009169697a343cce73cfb9779f66e49937..a484c5cc4a0eab0602cfbec293f925d3724c2aa9 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -81,13 +81,9 @@
 #include "content/renderer/media/audio_renderer_mixer_manager.h"
 #include "content/renderer/media/media_stream_center.h"
 #include "content/renderer/media/midi_message_filter.h"
-#include "content/renderer/media/peer_connection_tracker.h"
 #include "content/renderer/media/renderer_gpu_video_accelerator_factories.h"
-#include "content/renderer/media/rtc_peer_connection_handler.h"
 #include "content/renderer/media/video_capture_impl_manager.h"
 #include "content/renderer/media/video_capture_message_filter.h"
-#include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
-#include "content/renderer/media/webrtc_identity_service.h"
 #include "content/renderer/net_info_helper.h"
 #include "content/renderer/p2p/socket_dispatcher.h"
 #include "content/renderer/render_frame_proxy.h"
@@ -152,6 +148,13 @@
 #include "content/renderer/npapi/plugin_channel_host.h"
 #endif
 
+#if defined(ENABLE_WEBRTC)
+#include "content/renderer/media/peer_connection_tracker.h"
+#include "content/renderer/media/rtc_peer_connection_handler.h"
+#include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
+#include "content/renderer/media/webrtc_identity_service.h"
+#endif
+
 using base::ThreadRestrictions;
 using blink::WebDocument;
 using blink::WebFrame;
@@ -1457,10 +1460,12 @@ blink::WebMediaStreamCenter* RenderThreadImpl::CreateMediaStreamCenter(
   return media_stream_center_;
 }
 
+#if defined(ENABLE_WEBRTC)
 PeerConnectionDependencyFactory*
 RenderThreadImpl::GetPeerConnectionDependencyFactory() {
   return peer_connection_factory_.get();
 }
+#endif
 
 GpuChannelHost* RenderThreadImpl::GetGpuChannel() {
   if (!gpu_channel_.get())