Create abstract interface for media::Pipeline.

media/base/pipeline_unittest.cc

Index: media/base/pipeline_unittest.cc
diff --git a/media/base/pipeline_unittest.cc b/media/base/pipeline_unittest.cc
index 8f43d608889805db4a7eac842ef7d6db84ab1733..65c639432c72aa066c73a1f5a56d81469f965ea0 100644
--- a/media/base/pipeline_unittest.cc
+++ b/media/base/pipeline_unittest.cc
@@ -97,8 +97,8 @@ class PipelineTest : public ::testing::Test {
   };
 
   PipelineTest()

[xhwang, 2016/02/19 17:06:07]

Should this be PipelineImplTest?

[sandersd (OOO until July 31), 2016/02/22 22:32:57]

Done.

-      : pipeline_(new Pipeline(message_loop_.task_runner(),
-                               new MediaLog())),
+      : pipeline_(
+            new PipelineImpl(message_loop_.task_runner(), new MediaLog())),
         demuxer_(new StrictMock<MockDemuxer>()),
         scoped_renderer_(new StrictMock<MockRenderer>()),
         renderer_(scoped_renderer_.get()) {
@@ -354,7 +354,7 @@ class PipelineTest : public ::testing::Test {
   StrictMock<CallbackHelper> callbacks_;
   base::SimpleTestTickClock test_tick_clock_;
   base::MessageLoop message_loop_;
-  scoped_ptr<Pipeline> pipeline_;
+  scoped_ptr<PipelineImpl> pipeline_;
 
   scoped_ptr<StrictMock<MockDemuxer> > demuxer_;
   scoped_ptr<StrictMock<MockRenderer> > scoped_renderer_;
@@ -734,9 +734,9 @@ TEST_F(PipelineTest, ErrorDuringSeek) {
 
 // Invoked function OnError. This asserts that the pipeline does not enqueue
 // non-teardown related tasks while tearing down.
-static void TestNoCallsAfterError(
-    Pipeline* pipeline, base::MessageLoop* message_loop,
-    PipelineStatus /* status */) {
+static void TestNoCallsAfterError(PipelineImpl* pipeline,
+                                  base::MessageLoop* message_loop,
+                                  PipelineStatus /* status */) {
   CHECK(pipeline);
   CHECK(message_loop);