Remove TabContents from OmniboxEditController and friends.

chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm

Index: chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
index a64bbcf27158f063617b8ef8ec4f4182736c9de6..d054edb25652b437079b1e71a82fd4680e1afcf8 100644
--- a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
+++ b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
@@ -55,7 +55,7 @@ PageActionDecoration::PageActionDecoration(
       preview_enabled_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(scoped_icon_animation_observer_(
           page_action->GetIconAnimation(
-              SessionID::IdForTab(owner->GetTabContents()->web_contents())),
+              SessionID::IdForTab(owner->GetWebContents())),
           this)) {
   const Extension* extension = browser->profile()->GetExtensionService()->
       GetExtensionById(page_action->extension_id(), false);
@@ -115,15 +115,15 @@ bool PageActionDecoration::OnMousePressed(NSRect frame) {
 }
 
 bool PageActionDecoration::ActivatePageAction(NSRect frame) {
-  TabContents* tab_contents = owner_->GetTabContents();
-  if (!tab_contents) {
+  WebContents* web_contents = owner_->GetWebContents();
+  if (!web_contents) {
     // We don't want other code to try and handle this click. Returning true
     // prevents this by indicating that we handled it.
     return true;
   }
 
   LocationBarController* controller =
-      extensions::TabHelper::FromWebContents(tab_contents->web_contents())->
+      extensions::TabHelper::FromWebContents(web_contents)->
           location_bar_controller();
 
   // 1 is left click.
@@ -153,9 +153,9 @@ bool PageActionDecoration::ActivatePageAction(NSRect frame) {
 
 void PageActionDecoration::OnIconUpdated() {
   // If we have no owner, that means this class is still being constructed.
-  TabContents* tab_contents = owner_ ? owner_->GetTabContents() : NULL;
-  if (tab_contents) {
-    UpdateVisibility(tab_contents->web_contents(), current_url_);
+  WebContents* web_contents = owner_ ? owner_->GetWebContents() : NULL;
+  if (web_contents) {
+    UpdateVisibility(web_contents, current_url_);
     owner_->RedrawDecoration(this);
   }
 }