[ios] Adds ChromiumBrowserProvider.

ios/chrome/browser/providers/chromium_browser_provider.h

Index: ios/chrome/browser/providers/chromium_browser_provider.h
diff --git a/ios/chrome/browser/providers/chromium_browser_provider.h b/ios/chrome/browser/providers/chromium_browser_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..904a9196d752572a52a808b3d199c21fed3a25ba
--- /dev/null
+++ b/ios/chrome/browser/providers/chromium_browser_provider.h
@@ -0,0 +1,25 @@
+// 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_CHROME_BROWSER_PROVIDERS_CHROMIUM_BROWSER_PROVIDER_H_
+#define IOS_CHROME_BROWSER_PROVIDERS_CHROMIUM_BROWSER_PROVIDER_H_
+
+#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
+
+class ChromiumBrowserProvider : public ios::ChromeBrowserProvider {
+ public:
+  ChromiumBrowserProvider();
+  ~ChromiumBrowserProvider() override;
+
+ private:
+  // ChromeBrowserProvider implementation
+  VoiceSearchProvider* GetVoiceSearchProvider() const override;
+  id<LogoVendor> CreateLogoVendor(ios::ChromeBrowserState* browser_state,
+                                  id<UrlLoader> loader) const override
+      NS_RETURNS_RETAINED;
+
+  std::unique_ptr<VoiceSearchProvider> voice_search_provider_;
+};
+
+#endif  // IOS_CHROME_BROWSER_PROVIDERS_CHROMIUM_BROWSER_PROVIDER_H_