Rename TabContents::controller() to GetController and put it into the WebContents interface.

chrome/browser/ui/find_bar/find_bar_controller.cc

Index: chrome/browser/ui/find_bar/find_bar_controller.cc
===================================================================
--- chrome/browser/ui/find_bar/find_bar_controller.cc	(revision 115228)
+++ chrome/browser/ui/find_bar/find_bar_controller.cc	(working copy)
@@ -93,7 +93,7 @@
       this,
       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
       content::Source<NavigationController>(
-          &tab_contents_->tab_contents()->controller()));
+          &tab_contents_->tab_contents()->GetController()));
 
   MaybeSetPrepopulateText();
 
@@ -133,7 +133,7 @@
   } else if (type == content::NOTIFICATION_NAV_ENTRY_COMMITTED) {
     NavigationController* source_controller =
         content::Source<NavigationController>(source).ptr();
-    if (source_controller == &tab_contents_->tab_contents()->controller()) {
+    if (source_controller == &tab_contents_->tab_contents()->GetController()) {
       content::LoadCommittedDetails* commit_details =
           content::Details<content::LoadCommittedDetails>(details).ptr();
       content::PageTransition transition_type =