[ntp4] Use highest quality jpeg compression for thumbnail images.

ui/gfx/image/image_util.h

 // Copyright (c) 2011 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_IMAGE_IMAGE_UTIL_H_
 #define UI_GFX_IMAGE_IMAGE_UTIL_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 10 matching lines @@
 // returned Image.  If there was an error creating the image, returns NULL.
 UI_EXPORT Image* ImageFromPNGEncodedData(const unsigned char* input,
                                          size_t input_size);
 
 // Fills the |dst| vector with PNG-encoded bytes based on the given Image.
 // Returns true if the Image was encoded successfully.
 UI_EXPORT bool PNGEncodedDataFromImage(const Image& image,
                                        std::vector<unsigned char>* dst);
 
 // Fills the |dst| vector with JPEG-encoded bytes based on the given Image.
+// |quality| determines the compression level, 0 == lowest, 100 == highest.
 // Returns true if the Image was encoded successfully.
-UI_EXPORT bool JPEGEncodedDataFromImage(const Image& image,
+UI_EXPORT bool JPEGEncodedDataFromImage(const Image& image, int quality,

[sky, 2011/11/28 15:44:37]

nit: each param on its own line.

[csilv, 2011/11/28 18:04:41]

Done.

                                         std::vector<unsigned char>* dst);
 
 }
 
 #endif  // UI_GFX_IMAGE_IMAGE_UTIL_H_