Propagate pageScaleFactor to GuestViews

content/browser/host_zoom_map_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/browser/host_zoom_map_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/strings/string_piece.h"
@@ skipping 57 matching lines @@
 }
 
 HostZoomMap* HostZoomMap::Get(SiteInstance* instance) {
   StoragePartition* partition = BrowserContext::GetStoragePartition(
       instance->GetBrowserContext(), instance);
   DCHECK(partition);
   return partition->GetHostZoomMap();
 }
 
 HostZoomMap* HostZoomMap::GetForWebContents(const WebContents* contents) {
+  // TODO(wjmaclean): Update this behaviour to work with OOPIF.
+  // See crbug.com/528407.
   StoragePartition* partition =
       BrowserContext::GetStoragePartition(contents->GetBrowserContext(),
                                           contents->GetSiteInstance());
   DCHECK(partition);
   return partition->GetHostZoomMap();
 }
 
 // Helper function for setting/getting zoom levels for WebContents without
 // having to import HostZoomMapImpl everywhere.
 double HostZoomMap::GetZoomLevel(const WebContents* web_contents) {
@@ skipping 400 matching lines @@
   double error_page_zoom_level = GetZoomLevelForHost(host);
 
   SendZoomLevelChange(std::string(), host, error_page_zoom_level);
 }
 
 HostZoomMapImpl::~HostZoomMapImpl() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
 }  // namespace content