remove toolstrips

chrome/browser/cocoa/browser_window_cocoa.mm

Index: chrome/browser/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/cocoa/browser_window_cocoa.mm b/chrome/browser/cocoa/browser_window_cocoa.mm
index 33bbc731c112abb8762a58e220355b5983bfd910..d7c182812d95a473ed877e19fedd5d77361b396b 100644
--- a/chrome/browser/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/cocoa/browser_window_cocoa.mm
@@ -141,10 +141,6 @@ void BrowserWindowCocoa::SelectedTabToolbarSizeChanged(bool is_animating) {
   // sort on Mac.
 }
 
-void BrowserWindowCocoa::SelectedTabExtensionShelfSizeChanged() {
-  NOTIMPLEMENTED();
-}
-
 void BrowserWindowCocoa::UpdateTitleBar() {
   NSString* newTitle =
       base::SysUTF16ToNSString(browser_->GetWindowTitleForCurrentTab());
@@ -276,10 +272,6 @@ void BrowserWindowCocoa::ToggleBookmarkBar() {
   bookmark_utils::ToggleWhenVisible(browser_->profile());
 }
 
-void BrowserWindowCocoa::ToggleExtensionShelf() {
-  NOTIMPLEMENTED();
-}
-
 void BrowserWindowCocoa::AddFindBar(
     FindBarCocoaController* find_bar_cocoa_controller) {
   return [controller_ addFindBar:find_bar_cocoa_controller];