[ios] Adds BrandedImageProvider and its associated image resources.

ios/chrome/browser/providers/chromium_browser_provider.mm

 // Copyright 2016 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 "ios/chrome/browser/providers/chromium_browser_provider.h"
 
 #include "base/memory/ptr_util.h"
 #import "ios/chrome/browser/providers/chromium_logo_controller.h"
 #import "ios/chrome/browser/providers/chromium_voice_search_provider.h"
+#import "ios/chrome/browser/providers/images/chromium_branded_image_provider.h"
 #include "ios/public/provider/chrome/browser/provider_flags.h"
 #include "ios/public/provider/chrome/browser/signin/chrome_identity_service.h"
 #include "ios/public/provider/chrome/browser/signin/signin_error_provider.h"
 #include "ios/public/provider/chrome/browser/signin/signin_resources_provider.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #if !BUILDFLAG(USE_IOS_INTERNAL_PROVIDER)
 namespace ios {
 std::unique_ptr<ChromeBrowserProvider> CreateChromeBrowserProvider() {
   return base::MakeUnique<ChromiumBrowserProvider>();
 }
 }  // namespace ios
 #endif
 
 ChromiumBrowserProvider::ChromiumBrowserProvider()
-    : signin_error_provider_(base::MakeUnique<ios::SigninErrorProvider>()),
+    : branded_image_provider_(base::MakeUnique<ChromiumBrandedImageProvider>()),
+      signin_error_provider_(base::MakeUnique<ios::SigninErrorProvider>()),
       signin_resources_provider_(
           base::MakeUnique<ios::SigninResourcesProvider>()),
       voice_search_provider_(base::MakeUnique<ChromiumVoiceSearchProvider>()) {}
 
 ChromiumBrowserProvider::~ChromiumBrowserProvider() {}
 
 ios::SigninErrorProvider* ChromiumBrowserProvider::GetSigninErrorProvider() {
   return signin_error_provider_.get();
 }
 
@@ skipping 22 matching lines @@
 
 VoiceSearchProvider* ChromiumBrowserProvider::GetVoiceSearchProvider() const {
   return voice_search_provider_.get();
 }
 
 id<LogoVendor> ChromiumBrowserProvider::CreateLogoVendor(
     ios::ChromeBrowserState* browser_state,
     id<UrlLoader> loader) const {
   return [[ChromiumLogoController alloc] init];
 }
+
+BrandedImageProvider* ChromiumBrowserProvider::GetBrandedImageProvider() const {
+  return branded_image_provider_.get();
+}