[ios] Adds BrandedImageProvider and its associated image resources.

ios/public/provider/chrome/browser/images/test_branded_image_provider.h

Index: ios/public/provider/chrome/browser/images/test_branded_image_provider.h
diff --git a/ios/public/provider/chrome/browser/images/test_branded_image_provider.h b/ios/public/provider/chrome/browser/images/test_branded_image_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..e0a8736a19aac50e737378130db3eecaf08bf838
--- /dev/null
+++ b/ios/public/provider/chrome/browser/images/test_branded_image_provider.h
@@ -0,0 +1,19 @@
+// 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.
+
+#ifndef IOS_PUBLIC_PROVIDER_CHROME_BROWSER_IMAGES_TEST_BRANDED_IMAGE_PROVIDER_H_
+#define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_IMAGES_TEST_BRANDED_IMAGE_PROVIDER_H_
+
+#include "ios/public/provider/chrome/browser/images/branded_image_provider.h"
+
+class TestBrandedImageProvider : public BrandedImageProvider {
+ public:
+  TestBrandedImageProvider();
+  ~TestBrandedImageProvider() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestBrandedImageProvider);
+};
+
+#endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_IMAGES_TEST_BRANDED_IMAGE_PROVIDER_H_