cocoa browser: remove non-MD location bar support

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

 // Copyright (c) 2011 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/autocomplete_text_field.h"
 
 #include "base/logging.h"
 #import "base/mac/mac_util.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "chrome/browser/themes/theme_service.h"
@@ skipping 382 matching lines @@
   [self setTextColor:OmniboxViewMac::BaseTextColor(inDarkMode)];
 }
 
 - (void)viewDidMoveToWindow {
   if (![self window]) {
     return;
   }
 
   // Allow the ToolbarController to take action upon the
   // AutocompleteTextField being added to the window.
-  if (ui::MaterialDesignController::IsModeMaterial()) {
-    BrowserWindowController* browserWindowController =
-        [BrowserWindowController browserWindowControllerForView:self];
-    [[browserWindowController toolbarController] locationBarWasAddedToWindow];
+  BrowserWindowController* browserWindowController =
+      [BrowserWindowController browserWindowControllerForView:self];
+  [[browserWindowController toolbarController] locationBarWasAddedToWindow];
 
-    [self updateColorsToMatchTheme];
-  }
+  [self updateColorsToMatchTheme];
 
   NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
   [nc addObserver:self
          selector:@selector(windowDidResignKey:)
              name:NSWindowDidResignKeyNotification
            object:[self window]];
   [nc addObserver:self
          selector:@selector(windowDidResize:)
              name:NSWindowDidResizeNotification
            object:[self window]];
@@ skipping 125 matching lines @@
   return [cell decorationMenuForEvent:event inRect:[self bounds] ofView:self];
 }
 
 - (ViewID)viewID {
   return VIEW_ID_OMNIBOX;
 }
 
 // ThemedWindowDrawing implementation.
 
 - (void)windowDidChangeTheme {
-  if (!ui::MaterialDesignController::IsModeMaterial()) {
-    return;
-  }
-
   [self updateColorsToMatchTheme];
 }
 
 - (void)windowDidChangeActive {
 }
 
 @end
 
 namespace autocomplete_text_field {
 
@@ skipping 26 matching lines @@
                                   NSMinY(frame),
                                   suggestWidth,
                                   NSHeight(frame));
 
   gfx::ScopedNSGraphicsContextSaveGState saveGState;
   NSRectClip(suggestRect);
   [cell drawInteriorWithFrame:frame inView:controlView];
 }
 
 }  // namespace autocomplete_text_field