Add a NetworkQualityEstimator to TestURLRequestContext.

content/browser/android/url_request_content_job_unittest.cc

Index: content/browser/android/url_request_content_job_unittest.cc
diff --git a/content/browser/android/url_request_content_job_unittest.cc b/content/browser/android/url_request_content_job_unittest.cc
index c87f7e151267c03ef832e7c03bbdfab8d83e3520..2667720c0ddee69e84784f7b0ae18514dfc185cd 100644
--- a/content/browser/android/url_request_content_job_unittest.cc
+++ b/content/browser/android/url_request_content_job_unittest.cc
@@ -10,9 +10,11 @@
 #include <memory>
 
 #include "base/files/file_util.h"
+#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/test_file_util.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -42,12 +44,8 @@ class CallbacksJobFactory : public net::URLRequestJobFactory {
       const std::string& scheme,
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) const override {
-    URLRequestContentJob* job =
-        new URLRequestContentJob(
-            request,
-            network_delegate,
-            path_,
-            const_cast<base::MessageLoop*>(&message_loop_)->task_runner());
+    URLRequestContentJob* job = new URLRequestContentJob(
+        request, network_delegate, path_, base::ThreadTaskRunnerHandle::Get());
     observer_->OnJobCreated();
     return job;
   }
@@ -78,7 +76,6 @@ class CallbacksJobFactory : public net::URLRequestJobFactory {
   }
 
  private:
-  base::MessageLoop message_loop_;
   base::FilePath path_;
   JobObserver* observer_;
 };
@@ -121,6 +118,7 @@ class URLRequestContentJobTest : public testing::Test {
   // retrieved.
   void RunRequest(const Range* range);
 
+  base::MessageLoop message_loop_;
   JobObserverImpl observer_;
   net::TestURLRequestContext context_;
   net::TestDelegate delegate_;