Move memory histograms generation to MetricsMemoryDetails.

chrome/browser/chromeos/memory/oom_priority_manager.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 "chrome/browser/chromeos/memory/oom_priority_manager.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 274 matching lines @@
     if (DiscardTabById(least_important_tab_id))
       return true;
   }
   return false;
 }
 
 void OomPriorityManager::LogMemoryAndDiscardTab() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // Deletes itself upon completion.
   OomMemoryDetails* details = new OomMemoryDetails();
-  details->StartFetch(MemoryDetails::SKIP_USER_METRICS);
+  details->StartFetch();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // OomPriorityManager, private:
 
 // static
 bool OomPriorityManager::IsReloadableUI(const GURL& url) {
   // There are many chrome:// UI URLs, but only look for the ones that users
   // are likely to have open. Most of the benefit is the from NTP URL.
   const char* const kReloadableUrlPrefixes[] = {
@@ skipping 403 matching lines @@
   // For the moment we only do something when we reach a critical state.
   if (memory_pressure_level ==
       base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL) {
     LogMemoryAndDiscardTab();
   }
   // TODO(skuhne): If more memory pressure levels are introduced, we might
   // consider to call PurgeBrowserMemory() before CRITICAL is reached.
 }
 
 }  // namespace chromeos