Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/metrics/metrics_log_unittest.cc

 // 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.
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/port.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 79 matching lines @@
   }
 
   virtual float GetScreenDeviceScaleFactor() const OVERRIDE {
     return kScreenScaleFactor;
   }
 
   virtual int GetScreenCount() const OVERRIDE {
     return kScreenCount;
   }
 
-  TestingPrefService prefs_;
+  TestingPrefServiceSimple prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(TestMetricsLog);
 };
 
 }  // namespace
 
 class MetricsLogTest : public testing::Test {
  protected:
   void TestRecordEnvironment(bool proto_only) {
     TestMetricsLog log(kClientId, kSessionId);
@@ skipping 196 matching lines @@
   EXPECT_NE(std::string::npos,
             encoded.find(" childprocesscrashcount=\"10\""));
   EXPECT_EQ(std::string::npos,
             encoded.find(" otherusercrashcount="));
   EXPECT_EQ(std::string::npos,
             encoded.find(" kernelcrashcount="));
   EXPECT_EQ(std::string::npos,
             encoded.find(" systemuncleanshutdowns="));
 }
 #endif  // OS_CHROMEOS