Remove page id from ViewHostMsg_UpdateTargetURL; no one actually uses it on the browser side.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index e26600a37a2984b078107b89ddbb170d0a67b459..63c0e8c8fe2c1c5fe51228ad5318f7b250ad5e9d 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -1428,8 +1428,7 @@ bool Browser::IsPopupOrPanel(const WebContents* source) const {
   return is_type_popup();
 }
 
-void Browser::UpdateTargetURL(WebContents* source, int32 page_id,
-                              const GURL& url) {
+void Browser::UpdateTargetURL(WebContents* source, const GURL& url) {
   if (!GetStatusBubble())
     return;