Update media duration if data is appended after the previous duration

media/filters/pipeline_integration_test_base.cc

Index: media/filters/pipeline_integration_test_base.cc
diff --git a/media/filters/pipeline_integration_test_base.cc b/media/filters/pipeline_integration_test_base.cc
index 823104b6db3e9609231734c46e2f1bf11d45a995..dfd8474182213d10e60394214f82fcbfc033dd99 100644
--- a/media/filters/pipeline_integration_test_base.cc
+++ b/media/filters/pipeline_integration_test_base.cc
@@ -87,11 +87,13 @@ void PipelineIntegrationTestBase::OnError(PipelineStatus status) {
 
 bool PipelineIntegrationTestBase::Start(const std::string& url,
                                         PipelineStatus expected_status) {
+  base::Closure null_cb;
   pipeline_->Start(
       CreateFilterCollection(url),
       base::Bind(&PipelineIntegrationTestBase::OnEnded, base::Unretained(this)),
       base::Bind(&PipelineIntegrationTestBase::OnError, base::Unretained(this)),
-      QuitOnStatusCB(expected_status));
+      QuitOnStatusCB(expected_status),
+      null_cb);
   message_loop_.Run();
   return (pipeline_status_ == PIPELINE_OK);
 }
@@ -104,12 +106,14 @@ bool PipelineIntegrationTestBase::Start(const std::string& url,
 }
 
 bool PipelineIntegrationTestBase::Start(const std::string& url) {
+  base::Closure null_cb;
   pipeline_->Start(
       CreateFilterCollection(url),
       base::Bind(&PipelineIntegrationTestBase::OnEnded, base::Unretained(this)),
       base::Bind(&PipelineIntegrationTestBase::OnError, base::Unretained(this)),
       base::Bind(&PipelineIntegrationTestBase::OnStatusCallback,
-                 base::Unretained(this)));
+                 base::Unretained(this)),
+      null_cb);
   message_loop_.Run();
   return (pipeline_status_ == PIPELINE_OK);
 }