Add data reduction functionality to all platforms.

chrome/browser/profiles/profile.h

 // Copyright (c) 2012 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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
+#include "components/data_reduction_proxy/browser/data_reduction_proxy_settings.h"

[Ryan Sleevi, 2014/07/22 01:56:30]

You don't update anything else in this .h, so I cannot help but feel this is
unnecessary.

Given the amount of forward declares in this file, it should have been a clear
signal that more #includes are bad. 

http://www.chromium.org/developers/coding-style/cpp-dos-and-donts

[Not at Google. Contact bengr, 2014/07/22 23:03:53]

Done.

 #include "components/domain_reliability/clear_mode.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
 
 class ChromeAppCacheService;
 class DevToolsNetworkController;
 class ExtensionSpecialStoragePolicy;
 class FaviconService;
 class HostContentSettingsMap;
 class PrefProxyConfigTracker;
@@ skipping 385 matching lines @@
 struct hash<Profile*> {
   std::size_t operator()(Profile* const& p) const {
     return reinterpret_cast<std::size_t>(p);
   }
 };
 
 }  // namespace BASE_HASH_NAMESPACE
 #endif
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_H_