Remove legacy StartsWithASCII function.

mojo/runner/shell_apptest.cc

 // 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 "base/base_paths.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
@@ skipping 24 matching lines @@
       : binding_(this, request.Pass()), port_(port) {
   }
   ~GetHandler() override {}
 
  private:
   // http_server::HttpHandler:
   void HandleRequest(
       http_server::HttpRequestPtr request,
       const Callback<void(http_server::HttpResponsePtr)>& callback) override {
     http_server::HttpResponsePtr response;
-    if (base::StartsWithASCII(request->relative_url, "/app", true)) {
+    if (base::StartsWith(request->relative_url, "/app",
+                         base::CompareCase::SENSITIVE)) {
       response = http_server::CreateHttpResponse(
           200, std::string(kPingable.data, kPingable.size));
       response->content_type = "application/octet-stream";
     } else if (request->relative_url == "/redirect") {
       response = http_server::HttpResponse::New();
       response->status_code = 302;
       response->custom_headers.insert("Location", GetURL(port_, "app"));
     } else {
       NOTREACHED();
     }
@@ skipping 133 matching lines @@
     EXPECT_EQ(app_url.To<std::string>() + "?foo", connection_url);
     EXPECT_EQ("hello", message);
     base::MessageLoop::current()->Quit();
   };
   pingable->Ping("hello", callback);
   base::RunLoop().Run();
 }
 
 }  // namespace
 }  // namespace mojo