Move a bunch of code in content\renderer to the content namespace.

content/renderer/media/media_stream_dependency_factory_unittest.cc

Index: content/renderer/media/media_stream_dependency_factory_unittest.cc
===================================================================
--- content/renderer/media/media_stream_dependency_factory_unittest.cc	(revision 163007)
+++ content/renderer/media/media_stream_dependency_factory_unittest.cc	(working copy)
@@ -82,8 +82,8 @@
                                                                          true);
   EXPECT_TRUE(dependency_factory_->CreateNativeLocalMediaStream(&stream_desc));
 
-  MediaStreamExtraData* extra_data = static_cast<MediaStreamExtraData*>(
-      stream_desc.extraData());
+  content::MediaStreamExtraData* extra_data =
+      static_cast<content::MediaStreamExtraData*>(stream_desc.extraData());
   ASSERT_TRUE(extra_data && extra_data->local_stream());
   EXPECT_EQ(1u, extra_data->local_stream()->audio_tracks()->count());
   EXPECT_EQ(1u, extra_data->local_stream()->video_tracks()->count());
@@ -108,8 +108,8 @@
   stream_desc.initialize("new stream", audio_sources, video_sources);
 
   EXPECT_TRUE(dependency_factory_->CreateNativeLocalMediaStream(&stream_desc));
-  MediaStreamExtraData* extra_data = static_cast<MediaStreamExtraData*>(
-      stream_desc.extraData());
+  content::MediaStreamExtraData* extra_data =
+      static_cast<content::MediaStreamExtraData*>(stream_desc.extraData());
   ASSERT_TRUE(extra_data && extra_data->local_stream());
   EXPECT_EQ(0u, extra_data->local_stream()->video_tracks()->count());
   EXPECT_EQ(0u, extra_data->local_stream()->audio_tracks()->count());