Revert "Modifying prefetch to account for multi-profile."

chrome/browser/renderer_host/chrome_render_view_host_observer.h

Index: chrome/browser/renderer_host/chrome_render_view_host_observer.h
diff --git a/chrome/browser/renderer_host/chrome_render_view_host_observer.h b/chrome/browser/renderer_host/chrome_render_view_host_observer.h
index 5a5eaa847d080dbe906b052df16ebf75b25cdc52..411a953bcfd2561e79f79da03382d4c25ca8deed 100644
--- a/chrome/browser/renderer_host/chrome_render_view_host_observer.h
+++ b/chrome/browser/renderer_host/chrome_render_view_host_observer.h
@@ -8,18 +8,13 @@
 
 #include "content/browser/renderer_host/render_view_host_observer.h"
 
-namespace chrome_browser_net {
-class Predictor;
-}
-
 class Extension;
 
 // This class holds the Chrome specific parts of RenderViewHost, and has the
 // same lifetime.
 class ChromeRenderViewHostObserver : public RenderViewHostObserver {
  public:
-  ChromeRenderViewHostObserver(RenderViewHost* render_view_host,
-                               chrome_browser_net::Predictor* predictor);
+  explicit ChromeRenderViewHostObserver(RenderViewHost* render_view_host);
   virtual ~ChromeRenderViewHostObserver();
 
   // RenderViewHostObserver overrides.
@@ -40,8 +35,6 @@ class ChromeRenderViewHostObserver : public RenderViewHostObserver {
   void OnDomOperationResponse(const std::string& json_string,
                               int automation_id);
 
-  chrome_browser_net::Predictor* predictor_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderViewHostObserver);
 };