Revert 284592 "Cache the current WebPreferences on RenderViewHos..."

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
===================================================================
--- content/browser/web_contents/web_contents_impl.cc	(revision 286686)
+++ content/browser/web_contents/web_contents_impl.cc	(working copy)
@@ -3837,7 +3837,7 @@
                                         source_id);
 }
 
-WebPreferences WebContentsImpl::ComputeWebkitPrefs() {
+WebPreferences WebContentsImpl::GetWebkitPrefs() {
   // We want to base the page config off of the actual URL, rather than the
   // virtual URL.
   // TODO(nasko): Investigate how to remove the GetActiveEntry usage here,
@@ -3845,7 +3845,7 @@
   GURL url = controller_.GetActiveEntry()
       ? controller_.GetActiveEntry()->GetURL() : GURL::EmptyGURL();
 
-  return GetRenderManager()->current_host()->ComputeWebkitPrefs(url);
+  return GetRenderManager()->current_host()->GetWebkitPrefs(url);
 }
 
 int WebContentsImpl::CreateSwappedOutRenderView(