Removing DataSource from Filter hierarchy

media/filters/file_data_source_unittest.cc

 // Copyright (c) 2011 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 <string>
 
 #include "base/base_paths.h"
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "base/utf_string_conversions.h"
 #include "media/base/mock_callback.h"
-#include "media/base/mock_filter_host.h"
+#include "media/base/mock_data_source_host.h"
 #include "media/base/mock_filters.h"
 #include "media/filters/file_data_source.h"
 
 using ::testing::NiceMock;
 using ::testing::StrictMock;
 
 namespace media {
 
 class ReadCallbackHandler {
  public:
@@ skipping 20 matching lines @@
                      .Append(FILE_PATH_LITERAL("ten_byte_file"));
 #if defined (OS_WIN)
   return WideToUTF8(data_dir.value());
 #else
   return data_dir.value();
 #endif
 }
 
 // Test that FileDataSource call the appropriate methods on its filter host.
 TEST(FileDataSourceTest, OpenFile) {
-  StrictMock<MockFilterHost> host;
+  StrictMock<MockDataSourceHost> host;
   EXPECT_CALL(host, SetTotalBytes(10));
   EXPECT_CALL(host, SetBufferedBytes(10));
 
   scoped_refptr<FileDataSource> filter(new FileDataSource());
   filter->set_host(&host);
   EXPECT_EQ(PIPELINE_OK, filter->Initialize(TestFileURL()));
 
   filter->Stop(NewExpectedClosure());
 }
 
 // Use the mock filter host to directly call the Read and GetPosition methods.
 TEST(FileDataSourceTest, ReadData) {
   int64 size;
   uint8 ten_bytes[10];
 
   // Create our mock filter host and initialize the data source.
-  NiceMock<MockFilterHost> host;
+  NiceMock<MockDataSourceHost> host;
   scoped_refptr<FileDataSource> filter(new FileDataSource());
 
   filter->set_host(&host);
   EXPECT_EQ(PIPELINE_OK, filter->Initialize(TestFileURL()));
 
   EXPECT_TRUE(filter->GetSize(&size));
   EXPECT_EQ(10, size);
 
   ReadCallbackHandler handler;
   EXPECT_CALL(handler, ReadCallback(10));
   filter->Read(0, 10, ten_bytes, base::Bind(
       &ReadCallbackHandler::ReadCallback, base::Unretained(&handler)));
   EXPECT_EQ('0', ten_bytes[0]);
   EXPECT_EQ('5', ten_bytes[5]);
   EXPECT_EQ('9', ten_bytes[9]);
 
   EXPECT_CALL(handler, ReadCallback(0));
   filter->Read(10, 10, ten_bytes, base::Bind(
       &ReadCallbackHandler::ReadCallback, base::Unretained(&handler)));
 
   EXPECT_CALL(handler, ReadCallback(5));
   filter->Read(5, 10, ten_bytes, base::Bind(
       &ReadCallbackHandler::ReadCallback, base::Unretained(&handler)));
   EXPECT_EQ('5', ten_bytes[0]);
 
   filter->Stop(NewExpectedClosure());
 }
 
-// Test that FileDataSource does nothing on Seek().
-TEST(FileDataSourceTest, Seek) {
-  const base::TimeDelta kZero;
-
-  scoped_refptr<FileDataSource> filter(new FileDataSource());
-  filter->Seek(kZero, NewExpectedStatusCB(PIPELINE_OK));
-
-  filter->Stop(NewExpectedClosure());
-}
-
 }  // namespace media