Remove BrowserList::GetLastActive usage from WebUI pages.

chrome/browser/ui/cocoa/page_info_bubble_controller.mm

Index: chrome/browser/ui/cocoa/page_info_bubble_controller.mm
===================================================================
--- chrome/browser/ui/cocoa/page_info_bubble_controller.mm	(revision 142088)
+++ chrome/browser/ui/cocoa/page_info_bubble_controller.mm	(working copy)
@@ -19,6 +19,7 @@
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
+#include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/cert_store.h"
 #include "content/public/browser/page_navigator.h"
@@ -156,14 +157,14 @@
 namespace browser {
 
 void ShowPageInfoBubble(gfx::NativeWindow parent,
-                        Profile* profile,
+                        TabContents* tab_contents,
                         const GURL& url,
                         const SSLStatus& ssl,
                         bool show_history,
                         content::PageNavigator* navigator) {
   PageInfoModelBubbleBridge* bridge = new PageInfoModelBubbleBridge();
-  PageInfoModel* model =
-      new PageInfoModel(profile, url, ssl, show_history, bridge);
+  PageInfoModel* model = new PageInfoModel(
+      tab_contents->profile(), url, ssl, show_history, bridge);
   PageInfoBubbleController* controller =
       [[PageInfoBubbleController alloc] initWithPageInfoModel:model
                                                 modelObserver:bridge