unbreak no-webrtc builds

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 25a8597b94ec965c17a6a9e46b8c687fc9a5c84e..98585e12e80cbdd9ef4822470cb9634df7cb6624 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -875,7 +875,7 @@ void RendererBlinkPlatformImpl::sampleGamepads(WebGamepads& gamepads) {
 
 WebMediaRecorderHandler*
 RendererBlinkPlatformImpl::createMediaRecorderHandler() {
-#if !defined(OS_ANDROID)
+#if !defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
   return new content::MediaRecorderHandler();
 #else
   return nullptr;