Changes to content/ to facilitate new zoom extension API (work in progress)

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 879f9c82547f5ae5cb646e0562d45e95a8ba3e4e..bf670fdd8613aac05b3ea4d441ada7cf77184bfe 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1015,6 +1015,10 @@ void WebContentsImpl::DispatchBeforeUnload(bool for_cross_site_transition) {
       for_cross_site_transition);
 }
 
+void WebContentsImpl::SetTemporaryZoomSettings(bool temporary_zoom_settings) {
+  temporary_zoom_settings_ = temporary_zoom_settings;

[jam, 2014/05/01 23:21:13]

seems that HostZoomMap::SetTemporaryZoomLevel should call an (internal)
WebContentsImpl to do this and we can avoid the public api on WebContents

+}
+
 void WebContentsImpl::Stop() {
   GetRenderManager()->Stop();
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, NavigationStopped());