cros: Log per-process memory use on low memory events

chrome/browser/memory_details_win.cc

 // Copyright (c) 2011 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/memory_details.h"
 
 #include <psapi.h>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 17 matching lines @@
   CHROME_NACL_PROCESS,
   IE_BROWSER,
   FIREFOX_BROWSER,
   OPERA_BROWSER,
   SAFARI_BROWSER,
   IE_64BIT_BROWSER,
   KONQUEROR_BROWSER,
   MAX_BROWSERS
 } BrowserProcess;
 
-MemoryDetails::MemoryDetails() {
+MemoryDetails::MemoryDetails()
+    : user_metrics_mode_(UPDATE_USER_METRICS) {
   static const std::wstring google_browser_name =
       UTF16ToWide(l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
   struct {
     const wchar_t* name;
     const wchar_t* process_name;
   } process_template[MAX_BROWSERS] = {
     { google_browser_name.c_str(), L"chrome.exe", },
     { google_browser_name.c_str(), L"nacl64.exe", },
     { L"IE", L"iexplore.exe", },
     { L"Firefox", L"firefox.exe", },
@@ skipping 102 matching lines @@
       }
       break;
     }
   } while (::Process32Next(snapshot, &process_entry));
 
   // Finally return to the browser thread.
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&MemoryDetails::CollectChildInfoOnUIThread, this));
 }