Rip out code for logging cross-frame property accesses.

chrome/renderer/page_load_histograms.cc

 // Copyright (c) 2011 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/renderer/page_load_histograms.h"
 
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/time.h"
@@ skipping 753 matching lines @@
 
 void PageLoadHistograms::ResetCrossFramePropertyAccess() {
   cross_origin_access_count_ = 0;
   same_origin_access_count_ = 0;
 }
 
 void PageLoadHistograms::FrameWillClose(WebFrame* frame) {
   Dump(frame);
 }
 
-void PageLoadHistograms::LogCrossFramePropertyAccess(
-      WebFrame* frame,
-      WebFrame* target,
-      bool cross_origin,
-      const WebString& property_name,
-      unsigned long long event_id) {
-  // TODO(johnnyg): track the individual properties and repeat event_ids.
-  if (cross_origin)
-    cross_origin_access_count_++;
-  else
-    same_origin_access_count_++;
-}
-
 bool PageLoadHistograms::OnMessageReceived(const IPC::Message& message) {
   if (message.type() == ViewMsg_ClosePage::ID) {
     // TODO(davemoore) This code should be removed once willClose() gets
     // called when a page is destroyed. page_load_histograms_.Dump() is safe
     // to call multiple times for the same frame, but it will simplify things.
     Dump(render_view()->webview()->mainFrame());
     ResetCrossFramePropertyAccess();
   }
   return false;
 }
 
 void PageLoadHistograms::LogPageLoadTime(const NavigationState* state,
                                          const WebDataSource* ds) const {
   // Because this function gets called on every page load,
   // take extra care to optimize it away if logging is turned off.
   if (logging::LOG_INFO < logging::GetMinLogLevel())
     return;
 
   DCHECK(state);
   DCHECK(ds);
   GURL url(ds->request().url());
   Time start = state->start_load_time();
   Time finish = state->finish_load_time();
   // TODO(mbelshe): should we log more stats?
   VLOG(1) << "PLT: " << (finish - start).InMilliseconds() << "ms "
           << url.spec();
 }