(re-land) Move ui/gfx/codec/ into its own component.

ui/gfx/codec/chromeos/jpeg_codec_robust_slow.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_GFX_CHROMEOS_CODEC_JPEG_CODEC_ROBUST_SLOW_H_
-#define UI_GFX_CHROMEOS_CODEC_JPEG_CODEC_ROBUST_SLOW_H_
+#ifndef UI_GFX_CODEC_CHROMEOS_JPEG_CODEC_ROBUST_SLOW_H_
+#define UI_GFX_CODEC_CHROMEOS_JPEG_CODEC_ROBUST_SLOW_H_
 
 #include <stddef.h>
 #include <vector>
 
-#include "ui/gfx/gfx_export.h"
+#include "ui/gfx/codec/codec_export.h"
 
 class SkBitmap;
 
 namespace gfx {
 
 // Interface for encoding/decoding JPEG data. This is a wrapper around libjpeg,
 // which has an inconvenient interface for callers. This is only used for
 // servicing ChromeUtilityMsg_RobustJPEGDecodeImage and is currently unique
 // to Chrome OS.
-class GFX_EXPORT JPEGCodecRobustSlow {
+class CODEC_EXPORT JPEGCodecRobustSlow {
  public:
   enum ColorFormat {
     // 3 bytes per pixel (packed), in RGB order regardless of endianness.
     // This is the native JPEG format.
     FORMAT_RGB,
 
     // 4 bytes per pixel, in RGBA order in mem regardless of endianness.
     FORMAT_RGBA,
 
     // 4 bytes per pixel, in BGRA order in mem regardless of endianness.
     // This is the default Windows DIB order.
     FORMAT_BGRA,
 
     // 4 bytes per pixel, it can be either RGBA or BGRA. It depends on the bit
     // order in kARGB_8888_Config skia bitmap.
     FORMAT_SkBitmap
   };
 
   // Decodes the JPEG data contained in input of length input_size. The
   // decoded data will be placed in *output with the dimensions in *w and *h
   // on success (returns true). This data will be written in the'format'
   // format. On failure, the values of these output variables is undefined.
-  static bool Decode(const unsigned char* input, size_t input_size,
-                     ColorFormat format, std::vector<unsigned char>* output,
-                     int* w, int* h);
+  static bool Decode(const unsigned char* input,
+                     size_t input_size,
+                     ColorFormat format,
+                     std::vector<unsigned char>* output,
+                     int* w,
+                     int* h);
 
   // Decodes the JPEG data contained in input of length input_size. If
   // successful, a SkBitmap is created and returned. It is up to the caller
   // to delete the returned bitmap.
   static SkBitmap* Decode(const unsigned char* input, size_t input_size);
 };
 
 }  // namespace gfx
 
-#endif  // UI_GFX_CHROMEOS_CODEC_JPEG_CODEC_ROBUST_SLOW_H_
+#endif  // UI_GFX_CODEC_CHROMEOS_JPEG_CODEC_ROBUST_SLOW_H_