cocoa browser: remove non-material toolbar support

chrome/browser/ui/cocoa/toolbar/reload_button_cocoa.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/toolbar/reload_button_cocoa.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 71 matching lines @@
   [pendingReloadTimer_ invalidate];
   pendingReloadTimer_ = nil;
 }
 
 - (void)updateTag:(NSInteger)anInt {
   if ([self tag] == anInt)
     return;
 
   // Forcibly remove any stale tooltip which is being displayed.
   [self removeAllToolTips];
-  id cell = [self cell];
   [self setTag:anInt];
 
-  // The old way of doing things.
-  if (!ui::MaterialDesignController::IsModeMaterial()) {
-    if (anInt == IDC_RELOAD) {
-      [cell setImageID:IDR_RELOAD
-        forButtonState:image_button_cell::kDefaultState];
-      [cell setImageID:IDR_RELOAD_H
-        forButtonState:image_button_cell::kHoverState];
-      [cell setImageID:IDR_RELOAD_P
-        forButtonState:image_button_cell::kPressedState];
-      // The stop button has a disabled image but the reload button doesn't. To
-      // unset it we have to explicilty change the image ID to 0.
-      [cell setImageID:0
-        forButtonState:image_button_cell::kDisabledState];
-      [self setToolTip:l10n_util::GetNSStringWithFixup(IDS_TOOLTIP_RELOAD)];
-    } else if (anInt == IDC_STOP) {
-      [cell setImageID:IDR_STOP
-        forButtonState:image_button_cell::kDefaultState];
-      [cell setImageID:IDR_STOP_H
-        forButtonState:image_button_cell::kHoverState];
-      [cell setImageID:IDR_STOP_P
-        forButtonState:image_button_cell::kPressedState];
-      [cell setImageID:IDR_STOP_D
-        forButtonState:image_button_cell::kDisabledState];
-      [self setToolTip:l10n_util::GetNSStringWithFixup(IDS_TOOLTIP_STOP)];
-    } else {
-      NOTREACHED();
-    }
-    return;
-  }
-
   [self resetButtonStateImages];
   if (anInt == IDC_RELOAD) {
     [self setToolTip:l10n_util::GetNSStringWithFixup(IDS_TOOLTIP_RELOAD)];
   } else if (anInt == IDC_STOP) {
     [self setToolTip:l10n_util::GetNSStringWithFixup(IDS_TOOLTIP_STOP)];
   } else {
     NOTREACHED();
   }
 }
 
@@ skipping 12 matching lines @@
   // that reload mode is desired and disable the button.
   if (isLoading) {
     [self invalidatePendingReloadTimer];
     [self updateTag:IDC_STOP];
   } else if (force) {
     [self invalidatePendingReloadTimer];
     [self updateTag:IDC_RELOAD];
   } else if ([self tag] == IDC_STOP &&
              !pendingReloadTimer_ &&
              [[self cell] isMouseInside]) {
-    id cell = [self cell];
-    if (ui::MaterialDesignController::IsModeMaterial()) {
-      [self resetButtonStateImages];
-      NSImage* disabledStopImage =
-          [[self cell] imageForState:image_button_cell::kDisabledState
-                                view:self];
-      [cell setImage:disabledStopImage
-          forButtonState:image_button_cell::kDefaultState];
-      [cell setImage:disabledStopImage
-          forButtonState:image_button_cell::kHoverState];
-      [cell setImage:disabledStopImage
-          forButtonState:image_button_cell::kPressedState];
-    } else {
-      [cell setImageID:IDR_STOP_D
+    [self resetButtonStateImages];
+    NSImage* disabledStopImage =
+        [[self cell] imageForState:image_button_cell::kDisabledState
+                              view:self];
+    [[self cell] setImage:disabledStopImage
         forButtonState:image_button_cell::kDefaultState];
-      [cell setImageID:IDR_STOP_D
-        forButtonState:image_button_cell::kDisabledState];
-      [cell setImageID:IDR_STOP_D
+    [[self cell] setImage:disabledStopImage
         forButtonState:image_button_cell::kHoverState];
-      [cell setImageID:IDR_STOP_D
+    [[self cell] setImage:disabledStopImage
         forButtonState:image_button_cell::kPressedState];
-    }
     pendingReloadTimer_ =
         [NSTimer timerWithTimeInterval:kPendingReloadTimeout
                                 target:self
                               selector:@selector(forceReloadState:)
                               userInfo:nil
                                repeats:NO];
     // Must add the timer to |NSRunLoopCommonModes| because
     // it should run in |NSEventTrackingRunLoopMode| as well as
     // |NSDefaultRunLoopMode|.
     [[NSRunLoop currentRunLoop] addTimer:pendingReloadTimer_
@@ skipping 111 matching lines @@
 
 @end  // ReloadButton
 
 @implementation ReloadButton (Testing)
 
 + (void)setPendingReloadTimeout:(NSTimeInterval)seconds {
   kPendingReloadTimeout = seconds;
 }
 
 @end