Switch to standard integer types in chrome/browser/, part 2 of 4.

chrome/browser/media/router/test_helper.h

Index: chrome/browser/media/router/test_helper.h
diff --git a/chrome/browser/media/router/test_helper.h b/chrome/browser/media/router/test_helper.h
index 1d24214b04fac3b77d0554b5d78fd3459fa1836a..2220beb4a2dbe078ab2cfc3472f908ad867181b4 100644
--- a/chrome/browser/media/router/test_helper.h
+++ b/chrome/browser/media/router/test_helper.h
@@ -5,9 +5,13 @@
 #ifndef CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include <string>
 #include <vector>
 
+#include "base/macros.h"
 #include "chrome/browser/media/router/issues_observer.h"
 #include "chrome/browser/media/router/media_router.mojom.h"
 #include "chrome/browser/media/router/media_router_mojo_impl.h"
@@ -107,13 +111,13 @@ class MockMediaRouteProvider : public interfaces::MediaRouteProvider {
                     const SendRouteMessageCallback& callback));
   void SendRouteBinaryMessage(
       const mojo::String& media_route_id,
-      mojo::Array<uint8> data,
+      mojo::Array<uint8_t> data,
       const SendRouteMessageCallback& callback) override {
     SendRouteBinaryMessageInternal(media_route_id, data.storage(), callback);
   }
   MOCK_METHOD3(SendRouteBinaryMessageInternal,
                void(const mojo::String& media_route_id,
-                    const std::vector<uint8>& data,
+                    const std::vector<uint8_t>& data,
                     const SendRouteMessageCallback& callback));
   MOCK_METHOD2(ListenForRouteMessages,
                void(const mojo::String& route_id,