cocoa browser: remove non-MD location bar support

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/location_bar/zoom_decoration.h"
 
 #include "base/i18n/number_formatting.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 75 matching lines @@
 }
 
 void ZoomDecoration::HideUI() {
   [bubble_ close];
   SetVisible(false);
 }
 
 void ZoomDecoration::ShowAndUpdateUI(zoom::ZoomController* zoom_controller,
                                      NSString* tooltip_string,
                                      bool location_bar_is_dark) {
-  if (ui::MaterialDesignController::IsModeMaterial()) {
-    vector_icon_id_ = gfx::VectorIconId::VECTOR_ICON_NONE;
-    zoom::ZoomController::RelativeZoom relative_zoom =
-        zoom_controller->GetZoomRelativeToDefault();
-    if (relative_zoom == zoom::ZoomController::ZOOM_BELOW_DEFAULT_ZOOM) {
-      vector_icon_id_ = gfx::VectorIconId::ZOOM_MINUS;
-    } else if (relative_zoom == zoom::ZoomController::ZOOM_ABOVE_DEFAULT_ZOOM) {
-      vector_icon_id_ = gfx::VectorIconId::ZOOM_PLUS;
-    }
+  vector_icon_id_ = gfx::VectorIconId::VECTOR_ICON_NONE;
+  zoom::ZoomController::RelativeZoom relative_zoom =
+      zoom_controller->GetZoomRelativeToDefault();
+  if (relative_zoom == zoom::ZoomController::ZOOM_BELOW_DEFAULT_ZOOM) {
+    vector_icon_id_ = gfx::VectorIconId::ZOOM_MINUS;
+  } else if (relative_zoom == zoom::ZoomController::ZOOM_ABOVE_DEFAULT_ZOOM) {
+    vector_icon_id_ = gfx::VectorIconId::ZOOM_PLUS;
+  }
 
-    SetImage(GetMaterialIcon(location_bar_is_dark));
-  } else {
-    int image_id = IDR_ZOOM_NORMAL;
-    zoom::ZoomController::RelativeZoom relative_zoom =
-        zoom_controller->GetZoomRelativeToDefault();
-    if (relative_zoom == zoom::ZoomController::ZOOM_BELOW_DEFAULT_ZOOM)
-      image_id = IDR_ZOOM_MINUS;
-    else if (relative_zoom == zoom::ZoomController::ZOOM_ABOVE_DEFAULT_ZOOM)
-      image_id = IDR_ZOOM_PLUS;
-
-    SetImage(OmniboxViewMac::ImageForResource(image_id));
-  }
+  SetImage(GetMaterialIcon(location_bar_is_dark));
 
   tooltip_.reset([tooltip_string retain]);
 
   SetVisible(true);
   [bubble_ onZoomChanged];
 }
 
 NSPoint ZoomDecoration::GetBubblePointInFrame(NSRect frame) {
   return NSMakePoint(NSMaxX(frame), NSMaxY(frame));
 }
@@ skipping 43 matching lines @@
   // closed the decoration can be hidden.
   if (IsAtDefaultZoom() && IsVisible()) {
     SetVisible(false);
     owner_->OnDecorationsChanged();
   }
 }
 
 gfx::VectorIconId ZoomDecoration::GetMaterialVectorIconId() const {
   return vector_icon_id_;
 }