[MediaRouter] The minimal change to make everything build on Android.

chrome/browser/media/router/media_router_dialog_controller.cc

Index: chrome/browser/media/router/media_router_dialog_controller.cc
diff --git a/chrome/browser/media/router/media_router_dialog_controller.cc b/chrome/browser/media/router/media_router_dialog_controller.cc
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index 0000000000000000000000000000000000000000..d9f80cc75805b71c733e0376807c6da84a604de5
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+++ b/chrome/browser/media/router/media_router_dialog_controller.cc
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+// Copyright 2015 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.
+
+#include "chrome/browser/media/router/media_router_dialog_controller.h"
+
+#if defined(OS_ANDROID)
+#include "chrome/browser/media/android/router/media_router_dialog_controller_android.h"
+#else
+#include "chrome/browser/ui/webui/media_router/media_router_dialog_controller_impl.h"
+#endif
+
+namespace media_router {
+
+// static
+MediaRouterDialogController*
+MediaRouterDialogController::GetOrCreateForWebContents(
+    content::WebContents* contents) {
+#if defined(OS_ANDROID)
+  return MediaRouterDialogControllerAndroid::GetOrCreateForWebContents(
+      contents);
+#else
+  return MediaRouterDialogControllerImpl::GetOrCreateForWebContents(contents);
+#endif
+}
+
+}  // namespace media_router