Move screen capturers from remoting/capturer to media/video/capturer/screen

media/video/capture/screen/differ_block.h

Index: media/video/capture/screen/differ_block.h
diff --git a/remoting/capturer/differ_block.h b/media/video/capture/screen/differ_block.h
similarity index 79%
rename from remoting/capturer/differ_block.h
rename to media/video/capture/screen/differ_block.h
index 4f78960e9e525d2a10ae209e06cd17309a9fc111..d812cf90bd02a1f8cda616118ddbcd6eca922894 100644
--- a/remoting/capturer/differ_block.h
+++ b/media/video/capture/screen/differ_block.h
@@ -6,8 +6,9 @@
 #define REMOTING_HOST_DIFFER_BLOCK_H_
 
 #include "base/basictypes.h"
+#include "media/base/media_export.h"
 
-namespace remoting {
+namespace media {
 
 // Size (in pixels) of each square block used for diffing.
 // This must be a multiple of sizeof(uint64)/8.
@@ -19,8 +20,9 @@ static const int kBytesPerPixel = 4;
 // Low level functions to compare 2 blocks of pixels.
 //   zero means the blocks are identical.
 //   one means  the blocks are different.
-int BlockDifference(const uint8* image1, const uint8* image2, int stride);
+MEDIA_EXPORT int BlockDifference(
+    const uint8* image1, const uint8* image2, int stride);
 
-}  // namespace remoting
+}  // namespace media
 
 #endif  // REMOTING_HOST_DIFFER_BLOCK_H_