chrome.loadTimes() shouldn't be affected by in-document navigation.

chrome/renderer/page_load_histograms.h

Index: chrome/renderer/page_load_histograms.h
diff --git a/chrome/renderer/page_load_histograms.h b/chrome/renderer/page_load_histograms.h
index d06539e6c0941d76cde521da260699ecacd7165b..cd6869535caa51e75726db18f8e65552675c3991 100644
--- a/chrome/renderer/page_load_histograms.h
+++ b/chrome/renderer/page_load_histograms.h
@@ -6,14 +6,11 @@
 #define CHROME_RENDERER_PAGE_LOAD_HISTOGRAMS_H_
 
 #include "base/basictypes.h"
+#include "content/public/renderer/navigation_state.h"
 #include "content/public/renderer/render_view_observer.h"
 
 class RendererHistogramSnapshots;
 
-namespace content {
-class NavigationState;
-}
-
 class PageLoadHistograms : public content::RenderViewObserver {
  public:
   PageLoadHistograms(content::RenderView* render_view,
@@ -47,7 +44,7 @@ class PageLoadHistograms : public content::RenderViewObserver {
 
   void ResetCrossFramePropertyAccess();
 
-  void LogPageLoadTime(const content::NavigationState* state,
+  void LogPageLoadTime(const content::NavigationState::LoadTimes* load_times,
                        const WebKit::WebDataSource* ds) const;
 
   // Site isolation metric counts.