Move most of extension_file_util.cc into extensions/common/file_util.cc

chrome/browser/extensions/activity_log/uma_policy_browsertest.cc

 // Copyright 2013 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 "base/metrics/histogram.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/activity_log/uma_policy.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/test_extension_dir.h"
 #include "chrome/browser/ui/browser_window.h"
-#include "chrome/common/extensions/extension_file_util.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "extensions/common/manifest_constants.h"
 #include "net/dns/mock_host_resolver.h"
 
 using extensions::UmaPolicy;
 
 const char* kGooglePrefix = "ExtensionActivity.Google";
 const char* kNonGooglePrefix = "ExtensionActivity";
 
 // These tests need to ensure that all of the extension JavaScript completes
@@ skipping 269 matching lines @@
 
     base::HistogramBase* cnn_histogram = base::Histogram::FactoryGet(
         std::string(kNonGooglePrefix) + "." + std::string(subset_two[i]),
         1, 100, 50, base::HistogramBase::kNoFlags);
     scoped_ptr<base::HistogramSamples> cnn_samples =
         cnn_histogram->SnapshotSamples();
     EXPECT_EQ(1, cnn_samples->GetCount(2));
   }
 
 }