chrome: remove omnibox_ev_bubble_xxx.png assets

chrome/browser/ui/cocoa/location_bar/bubble_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/bubble_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/bubble_decoration.h b/chrome/browser/ui/cocoa/location_bar/bubble_decoration.h
index 1df5c1ae5e1e24d986324e46b31755e341648fbc..092fd12b46f90f042328a892fe558b3a3e58ff08 100644
--- a/chrome/browser/ui/cocoa/location_bar/bubble_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/bubble_decoration.h
@@ -11,7 +11,6 @@
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h"
-#import "ui/base/cocoa/appkit_utils.h"
 
 // Draws an outlined rounded rect, with an optional image to the left
 // and an optional text label to the right.
@@ -29,7 +28,6 @@ class BubbleDecoration : public LocationBarDecoration {
   void SetTextColor(NSColor* text_color);
   void SetFont(NSFont* font);
   void SetRetinaBaselineOffset(CGFloat offset);
-  virtual ui::NinePartImageIds GetBubbleImageIds() = 0;
 
   // Implement |LocationBarDecoration|.
   CGFloat GetWidthForSpace(CGFloat width) override;