cocoa browser: remove non-MD location bar support

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.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_editor.h"
 
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
@@ skipping 89 matching lines @@
       NSBackgroundColorAttributeName : textSelectionColor
     }];
   } else {
     [self setSelectedTextAttributes:@{
       NSBackgroundColorAttributeName : textSelectionColor
     }];
   }
 }
 
 - (void)viewDidMoveToWindow {
-  // Only care about landing in a window when in Material Design mode.
-  if ([self window] && ui::MaterialDesignController::IsModeMaterial()) {
+  // Only care about landing in a window.
+  if ([self window]) {
     [self updateColorsToMatchTheme];
   }
 }
 
 // If the entire field is selected, drag the same data as would be
 // dragged from the field's location icon.  In some cases the textual
 // contents will not contain relevant data (for instance, "http://" is
 // stripped from URLs).
 - (BOOL)dragSelectionWithEvent:(NSEvent *)event
                         offset:(NSSize)mouseOffset
@@ skipping 475 matching lines @@
       self,
       [self bounds]);
   AutocompleteTextFieldObserver* observer = [self observer];
   if (observer)
     observer->OnDidDrawRect();
 }
 
 // ThemedWindowDrawing implementation.
 
 - (void)windowDidChangeTheme {
-  if (!ui::MaterialDesignController::IsModeMaterial()) {
-    return;
-  }
   [self updateColorsToMatchTheme];
 }
 
 - (void)windowDidChangeActive {
 }
 
 @end