Implement the new Sync Confirmation dialog on Linux and Windows.

chrome/browser/profiles/profile_avatar_icon_util.h

 // Copyright 2014 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 CHROME_BROWSER_PROFILES_PROFILE_AVATAR_ICON_UTIL_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_AVATAR_ICON_UTIL_H_
 
 #include <stddef.h>
 
 #include <string>
 
 #include "third_party/skia/include/core/SkColor.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace gfx {
 class Image;
 }
 
+class GURL;
 class SkBitmap;
 
 namespace profiles {
 
 // Avatar access.
 extern const char kGAIAPictureFileName[];
 extern const char kHighResAvatarFolderName[];
 
 // Avatar formatting.
 extern const int kAvatarIconWidth;
@@ skipping 54 matching lines @@
 // Returns a URL for the default avatar icon with specified index.
 std::string GetDefaultAvatarIconUrl(size_t index);
 
 // Checks if |index| is a valid avatar icon index
 bool IsDefaultAvatarIconIndex(size_t index);
 
 // Checks if the given URL points to one of the default avatar icons. If it
 // is, returns true and its index through |icon_index|. If not, returns false.
 bool IsDefaultAvatarIconUrl(const std::string& icon_url, size_t *icon_index);
 
+// Given an image URL this function builds a new URL set to |thumbnail_size|.
+// For example, if |thumbnail_size| was set to 256 and |old_url| was either:
+//   https://example.com/--Abc/AAAAAAAAAAI/AAAAAAAAACQ/Efg/photo.jpg
+//   or
+//   https://example.com/--Abc/AAAAAAAAAAI/AAAAAAAAACQ/Efg/s64-c/photo.jpg
+// then return value in |new_url| would be:
+//   https://example.com/--Abc/AAAAAAAAAAI/AAAAAAAAACQ/Efg/s256-c/photo.jpg
+bool GetImageURLWithThumbnailSize(
+    const GURL& old_url, int thumbnail_size, GURL* new_url);
+
 }  // namespace profiles
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_AVATAR_ICON_UTIL_H_