Remove some unnecessary casts.

Change-Id: Iab1194d9b98a6460847627e94fb385ce31db43ea
Reviewed-on: https://chromium-review.googlesource.com/1028456Reviewed-by: Bence Béky <bnc@chromium.org>
Commit-Queue: Eric Roman <eroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553870}

net/http/http_stream_factory_job_controller_unittest.cc

@@ -443,7 +443,7 @@ class JobControllerReconsiderProxyAfterErrorTest
     session_ = std::make_unique<HttpNetworkSession>(
         SpdySessionDependencies::CreateSessionParams(&session_deps_),
         SpdySessionDependencies::CreateSessionContext(&session_deps_));
-    factory_ = static_cast<HttpStreamFactory*>(session_->http_stream_factory());
+    factory_ = session_->http_stream_factory();
   }
 
   std::unique_ptr<HttpStreamRequest> CreateJobController(
@@ -2514,7 +2514,7 @@ class HttpStreamFactoryImplJobControllerPreconnectTest
     session_deps_.http_server_properties =
         std::make_unique<MockHttpServerProperties>();
     session_ = SpdySessionDependencies::SpdyCreateSession(&session_deps_);
-    factory_ = static_cast<HttpStreamFactory*>(session_->http_stream_factory());
+    factory_ = session_->http_stream_factory();
     request_info_.method = "GET";
     request_info_.url = GURL("https://www.example.com");
     job_controller_ = new HttpStreamFactory::JobController(

net/http/http_stream_request_unittest.cc

@@ -30,8 +30,7 @@ TEST(HttpStreamRequestTest, SetPriority) {
 
   std::unique_ptr<HttpNetworkSession> session =
       SpdySessionDependencies::SpdyCreateSession(&session_deps);
-  HttpStreamFactory* factory =
-      static_cast<HttpStreamFactory*>(session->http_stream_factory());
+  HttpStreamFactory* factory = session->http_stream_factory();
   MockHttpStreamRequestDelegate request_delegate;
   TestJobFactory job_factory;
   HttpRequestInfo request_info;