Move WebMediaPlayerImpl and its dependencies to media/blink.

media/blink/video_frame_compositor_unittest.cc

Index: media/blink/video_frame_compositor_unittest.cc
diff --git a/content/renderer/media/video_frame_compositor_unittest.cc b/media/blink/video_frame_compositor_unittest.cc
similarity index 97%
rename from content/renderer/media/video_frame_compositor_unittest.cc
rename to media/blink/video_frame_compositor_unittest.cc
index 801c9e3cf64a618349df2920c577ee4ad62a056e..a7c46cac7a83999a2dfac86006ff141919400af0 100644
--- a/content/renderer/media/video_frame_compositor_unittest.cc
+++ b/media/blink/video_frame_compositor_unittest.cc
@@ -4,13 +4,11 @@
 
 #include "base/bind.h"
 #include "cc/layers/video_frame_provider.h"
-#include "content/renderer/media/video_frame_compositor.h"
 #include "media/base/video_frame.h"
+#include "media/blink/video_frame_compositor.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace content {
-
-using media::VideoFrame;
+namespace media {
 
 class VideoFrameCompositorTest : public testing::Test,
                                  public cc::VideoFrameProvider::Client {
@@ -159,4 +157,4 @@ TEST_F(VideoFrameCompositorTest, OpacityChanged) {
   EXPECT_EQ(2, opacity_changed_count());
 }
 
-}  // namespace content
+}  // namespace media