Split the field trial setup code into desktop and mobile files.

chrome/browser/chrome_browser_field_trials.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.
 
 #ifndef CHROME_BROWSER_CHROME_BROWSER_FIELD_TRIALS_H_
 #define CHROME_BROWSER_CHROME_BROWSER_FIELD_TRIALS_H_
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
-#include "base/time.h"
 
 class PrefService;
 
 class ChromeBrowserFieldTrials {
  public:
   explicit ChromeBrowserFieldTrials(const CommandLine& command_line);
   ~ChromeBrowserFieldTrials();
 
   // Called by the browser main sequence to set up Field Trials for this client.
   // |local_state| is used to extract properties like install time.
   void SetupFieldTrials(PrefService* local_state);
 
  private:
-  // Sets up common desktop-only field trials.
-  // Add an invocation of your field trial init function to this method, or to
-  // SetupFieldTrials if it is for all platforms.
-  // |local_state| is needed by some other methods called from within this one.
-  void SetupDesktopFieldTrials(PrefService* local_state);
-
-#if defined(OS_ANDROID) || defined(OS_IOS)
-  // Sets up mobile-only field trials.
-  // Add invocation of your field trial initialization code in this method.
-  void SetupMobileFieldTrials();
-
-  // Mobile compression rollout field trial.
-  void DataCompressionProxyFieldTrial();
-#endif  // defined(OS_ANDROID) || defined(OS_IOS)
-
-  // This is not quite a field trial initialization, but it's an initialization
-  // that depends on a field trial, so why not? :-)
-  // |local_state| is needed to reset a local pref based on the chosen group.
-  void SetupAppLauncherFieldTrial(PrefService* local_state);
-
-  // A/B test for spdy when --use-spdy not set.
-  void SpdyFieldTrial();
-
-  // Field trial to see what disabling DNS pre-resolution does to
-  // latency of page loads.
-  void PredictorFieldTrial();
-
-  // A field trial to see what effects launching Chrome automatically on
-  // computer startup has on retention and usage of Chrome.
-  void AutoLaunchChromeFieldTrial();
-
-  // A collection of one-time-randomized and session-randomized field trials
-  // intended to test the uniformity and correctness of the field trial control,
-  // bucketing and reporting systems.
-  void SetupUniformityFieldTrials(const base::Time& install_date);
-
-  // Sets up the InfiniteCache field trial.
-  void SetUpInfiniteCacheFieldTrial();
-
-  // Sets up field trials for doing Cache Sensitivity Analysis.
-  void SetUpCacheSensitivityAnalysisFieldTrial();
-
-  // Disables the show profile switcher field trial if multi-profiles is not
-  // enabled.
-  void DisableShowProfileSwitcherTrialIfNecessary();
-
-  // A field trial to determine the impact of using non-blocking reads for
-  // TCP sockets on Windows instead of overlapped I/O.
-  void WindowsOverlappedTCPReadsFieldTrial();
-
   // A field trial to check the simple cache performance.
   void SetUpSimpleCacheFieldTrial();
 
   // Instantiates dynamic trials by querying their state, to ensure they get
   // reported as used.
   void InstantiateDynamicTrials();
 
   const CommandLine& parsed_command_line_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserFieldTrials);
 };
 
 #endif  // CHROME_BROWSER_CHROME_BROWSER_FIELD_TRIALS_H_