GTTF: Convert most tests in content to use EmbeddedTestServer.

net/test/embedded_test_server/embedded_test_server_unittest.cc

Index: net/test/embedded_test_server/embedded_test_server_unittest.cc
diff --git a/net/test/embedded_test_server/embedded_test_server_unittest.cc b/net/test/embedded_test_server/embedded_test_server_unittest.cc
index 1993ef0f931a746c7a409e4d9757b8e060ded560..e78cd47e2a38b4cf3c70197bdb2fc8f8c31d24b2 100644
--- a/net/test/embedded_test_server/embedded_test_server_unittest.cc
+++ b/net/test/embedded_test_server/embedded_test_server_unittest.cc
@@ -82,11 +82,12 @@ class EmbeddedTestServerTest : public testing::Test,
 
   // Handles |request| sent to |path| and returns the response per |content|,
   // |content type|, and |code|. Saves the request URL for verification.
-  scoped_ptr<HttpResponse> HandleRequest(const std::string& path,
-                                         const std::string& content,
-                                         const std::string& content_type,
-                                         ResponseCode code,
-                                         const HttpRequest& request) {
+  scoped_ptr<HttpResponseInterface> HandleRequest(
+      const std::string& path,
+      const std::string& content,
+      const std::string& content_type,
+      ResponseCode code,
+      const HttpRequest& request) {
     request_relative_url_ = request.relative_url;
 
     GURL absolute_url = server_->GetURL(request.relative_url);
@@ -95,10 +96,10 @@ class EmbeddedTestServerTest : public testing::Test,
       http_response->set_code(code);
       http_response->set_content(content);
       http_response->set_content_type(content_type);
-      return http_response.Pass();
+      return http_response.PassAs<HttpResponseInterface>();
     }
 
-    return scoped_ptr<HttpResponse>();
+    return scoped_ptr<HttpResponseInterface>();
   }
 
  protected: