Compute pageScaleFactor on page so that fixed layout page fits width of window.

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 628 matching lines @@
     // Please keep this in alphabetical order.
     static const char* const kSwitchNames[] = {
       switches::kAllowHTTPBackgroundPage,
       switches::kAllowLegacyExtensionManifests,
       switches::kAllowNaClSocketAPI,
       switches::kAllowScriptingGallery,
       switches::kAppsCheckoutURL,
       switches::kAppsGalleryURL,
       switches::kCloudPrintServiceURL,
       switches::kDebugPrint,
+      switches::kDefaultDeviceScaleFactor,
       switches::kDumpHistogramsOnExit,
       switches::kEnableBenchmarking,
       switches::kEnableCrxlessWebApps,
       switches::kEnableExperimentalExtensionApis,
+      switches::kEnableFixedLayout,
       switches::kEnableInBrowserThumbnailing,
       switches::kEnableIPCFuzzing,
       switches::kEnableNaCl,
       switches::kEnablePlatformApps,
       switches::kEnableWatchdog,
       switches::kExperimentalSpellcheckerFeatures,
       switches::kMemoryProfiling,
       switches::kMessageLoopHistogrammer,
       switches::kNoRunningInsecureContent,
       switches::kPpapiFlashArgs,
@@ skipping 678 matching lines @@
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ChromeContentBrowserClient::GetCryptoPasswordDelegate(
         const GURL& url) {
   return browser::NewCryptoModuleBlockingDialogDelegate(
       browser::kCryptoModulePasswordKeygen, url.host());
 }
 #endif
 
 }  // namespace chrome