Enable pinch & scrollbars by default for CrOS.

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 3323 matching lines @@
         command_line.GetSwitchValueASCII(switches::kEnableFixedLayout);
     std::vector<std::string> tokens;
     base::SplitString(str, ',', &tokens);
     if (tokens.size() == 2) {
       int width, height;
       if (base::StringToInt(tokens[0], &width) &&
           base::StringToInt(tokens[1], &height))
         webview()->setFixedLayoutSize(WebSize(width, height));
     }
   }
-
-  if (command_line.HasSwitch(switches::kEnablePinch))
-    webview()->setPageScaleFactorLimits(1, 4);
-  else
-    webview()->setPageScaleFactorLimits(1, 1);
+  float maxPageScaleFactor =
+      command_line.HasSwitch(switches::kEnablePinch) ? 4.f : 1.f ;
+  webview()->setPageScaleFactorLimits(1, maxPageScaleFactor);
 }
 
 void RenderViewImpl::didStartProvisionalLoad(WebFrame* frame) {
   WebDataSource* ds = frame->provisionalDataSource();
 
   // In fast/loader/stop-provisional-loads.html, we abort the load before this
   // callback is invoked.
   if (!ds)
     return;
 
@@ skipping 3260 matching lines @@
     WebURL url = icon_urls[i].iconURL();
     if (!url.isEmpty())
       urls.push_back(FaviconURL(url,
                                 ToFaviconType(icon_urls[i].iconType())));
   }
   SendUpdateFaviconURL(urls);
 }
 
 
 }  // namespace content