base: Remove the string logging from CHECK().

headless/public/util/generic_url_request_job_test.cc

 // 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.
 
 #include "headless/public/util/generic_url_request_job.h"
 
 #include <memory>
 #include <string>
 #include <vector>
 
@@ skipping 29 matching lines @@
 namespace headless {
 
 namespace {
 
 class MockFetcher : public URLFetcher {
  public:
   MockFetcher(base::DictionaryValue* fetch_request,
               const std::string& json_reply)
       : fetch_reply_(base::JSONReader::Read(json_reply, base::JSON_PARSE_RFC)),
         fetch_request_(fetch_request) {
-    CHECK(fetch_reply_) << "Invalid json: " << json_reply;
+    // Invalid json.
+    CHECK(fetch_reply_);
   }
 
   ~MockFetcher() override {}
 
   void StartFetch(const GURL& url,
                   const std::string& method,
                   const net::HttpRequestHeaders& request_headers,
                   ResultListener* result_listener) override {
     // Record the request.
     fetch_request_->SetString("url", url.spec());
@@ skipping 301 matching lines @@
   job_delegate_.SetShouldBlock(true);
 
   std::unique_ptr<net::URLRequest> request(
       CreateAndCompleteJob(GURL("https://example.com"), reply));
 
   EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, request->status().error());
 }
 
 }  // namespace headless