Moving media-related files from webkit/glue/ to webkit/media/.

webkit/glue/media/buffered_data_source_unittest.cc

Index: webkit/glue/media/buffered_data_source_unittest.cc
diff --git a/webkit/glue/media/buffered_data_source_unittest.cc b/webkit/glue/media/buffered_data_source_unittest.cc
deleted file mode 100644
index 1e29e2b2c377f846cca185e1b5a679fb42ac36ea..0000000000000000000000000000000000000000
--- a/webkit/glue/media/buffered_data_source_unittest.cc
+++ /dev/null
@@ -1,788 +0,0 @@
-// 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 <algorithm>
-
-#include "base/bind.h"
-#include "base/test/test_timeouts.h"
-#include "media/base/media_log.h"
-#include "media/base/mock_callback.h"
-#include "media/base/mock_filter_host.h"
-#include "media/base/mock_filters.h"
-#include "net/base/net_errors.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
-#include "webkit/glue/media/buffered_data_source.h"
-#include "webkit/mocks/mock_webframeclient.h"
-#include "webkit/mocks/mock_weburlloader.h"
-
-using ::testing::_;
-using ::testing::Assign;
-using ::testing::AtLeast;
-using ::testing::DeleteArg;
-using ::testing::DoAll;
-using ::testing::InSequence;
-using ::testing::Invoke;
-using ::testing::InvokeWithoutArgs;
-using ::testing::NotNull;
-using ::testing::Return;
-using ::testing::ReturnRef;
-using ::testing::SetArgumentPointee;
-using ::testing::StrictMock;
-using ::testing::NiceMock;
-using ::testing::WithArgs;
-
-using WebKit::WebFrame;
-using WebKit::WebString;
-using WebKit::WebURLError;
-using WebKit::WebURLResponse;
-using WebKit::WebView;
-
-namespace webkit_glue {
-
-static const char* kHttpUrl = "http://test";
-static const char* kFileUrl = "file://test";
-static const int kDataSize = 1024;
-static const int kMaxCacheMissesBeforeFailTest = 20;
-
-enum NetworkState {
-  NONE,
-  LOADED,
-  LOADING
-};
-
-// A mock BufferedDataSource to inject mock BufferedResourceLoader through
-// CreateResourceLoader() method.
-class MockBufferedDataSource : public BufferedDataSource {
- public:
-  MockBufferedDataSource(MessageLoop* message_loop, WebFrame* frame)
-      : BufferedDataSource(message_loop, frame, new media::MediaLog()) {
-  }
-
-  virtual base::TimeDelta GetTimeoutMilliseconds() {
-    return base::TimeDelta::FromMilliseconds(
-                            TestTimeouts::tiny_timeout_ms());
-  }
-
-  MOCK_METHOD2(CreateResourceLoader,
-               BufferedResourceLoader*(int64 first_position,
-                                       int64 last_position));
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MockBufferedDataSource);
-};
-
-class MockBufferedResourceLoader : public BufferedResourceLoader {
- public:
-  MockBufferedResourceLoader()
-      : BufferedResourceLoader(GURL(), 0, 0, kThresholdDefer,
-                               0, 0, new media::MediaLog()) {
-  }
-
-  MOCK_METHOD3(Start, void(net::OldCompletionCallback* read_callback,
-                           const base::Closure& network_callback,
-                           WebFrame* frame));
-  MOCK_METHOD0(Stop, void());
-  MOCK_METHOD4(Read, void(int64 position, int read_size, uint8* buffer,
-                          net::OldCompletionCallback* callback));
-  MOCK_METHOD0(content_length, int64());
-  MOCK_METHOD0(instance_size, int64());
-  MOCK_METHOD0(range_supported, bool());
-  MOCK_METHOD0(network_activity, bool());
-  MOCK_METHOD0(url, const GURL&());
-  MOCK_METHOD0(GetBufferedFirstBytePosition, int64());
-  MOCK_METHOD0(GetBufferedLastBytePosition, int64());
-
- protected:
-  ~MockBufferedResourceLoader() {}
-
-  DISALLOW_COPY_AND_ASSIGN(MockBufferedResourceLoader);
-};
-
-class BufferedDataSourceTest : public testing::Test {
- public:
-  BufferedDataSourceTest()
-      : view_(WebView::create(NULL)) {
-    view_->initializeMainFrame(&client_);
-    message_loop_ = MessageLoop::current();
-
-    for (size_t i = 0; i < sizeof(data_); ++i) {
-      data_[i] = i;
-    }
-  }
-
-  virtual ~BufferedDataSourceTest() {
-    view_->close();
-  }
-
-  void ExpectCreateAndStartResourceLoader(int start_error) {
-    EXPECT_CALL(*data_source_, CreateResourceLoader(_, _))
-        .WillOnce(Return(loader_.get()));
-
-    EXPECT_CALL(*loader_, Start(NotNull(), _, NotNull()))
-        .WillOnce(
-            DoAll(Assign(&error_, start_error),
-                  Invoke(this,
-                         &BufferedDataSourceTest::InvokeStartCallback)));
-  }
-
-  void InitializeDataSource(const char* url, int error,
-                            bool partial_response, int64 instance_size,
-                            NetworkState networkState) {
-    // Saves the url first.
-    gurl_ = GURL(url);
-
-    data_source_ = new MockBufferedDataSource(MessageLoop::current(),
-                                              view_->mainFrame());
-    data_source_->set_host(&host_);
-
-    scoped_refptr<NiceMock<MockBufferedResourceLoader> > first_loader(
-        new NiceMock<MockBufferedResourceLoader>());
-
-    // Creates the mock loader to be injected.
-    loader_ = first_loader;
-
-    bool initialized_ok = (error == net::OK);
-    bool loaded = networkState == LOADED;
-    {
-      InSequence s;
-      ExpectCreateAndStartResourceLoader(error);
-
-      // In the case of an invalid partial response we expect a second loader
-      // to be created.
-      if (partial_response && (error == net::ERR_INVALID_RESPONSE)) {
-        // Verify that the initial loader is stopped.
-        EXPECT_CALL(*loader_, url())
-            .WillRepeatedly(ReturnRef(gurl_));
-        EXPECT_CALL(*loader_, Stop());
-
-        // Replace loader_ with a new instance.
-        loader_ = new NiceMock<MockBufferedResourceLoader>();
-
-        // Create and start. Make sure Start() is called on the new loader.
-        ExpectCreateAndStartResourceLoader(net::OK);
-
-        // Update initialization variable since we know the second loader will
-        // return OK.
-        initialized_ok = true;
-      }
-    }
-
-    // Attach a static function that deletes the memory referred by the
-    // "callback" parameter.
-    ON_CALL(*loader_, Read(_, _, _ , _))
-        .WillByDefault(DeleteArg<3>());
-
-    ON_CALL(*loader_, instance_size())
-        .WillByDefault(Return(instance_size));
-
-    // range_supported() return true if we expect to get a partial response.
-    ON_CALL(*loader_, range_supported())
-        .WillByDefault(Return(partial_response));
-
-    ON_CALL(*loader_, url())
-        .WillByDefault(ReturnRef(gurl_));
-    media::PipelineStatus expected_init_status = media::PIPELINE_OK;
-    if (initialized_ok) {
-      // Expected loaded or not.
-      EXPECT_CALL(host_, SetLoaded(loaded));
-
-      // TODO(hclam): The condition for streaming needs to be adjusted.
-      if (instance_size != -1 && (loaded || partial_response)) {
-        EXPECT_CALL(host_, SetTotalBytes(instance_size));
-        if (loaded)
-          EXPECT_CALL(host_, SetBufferedBytes(instance_size));
-        else
-          EXPECT_CALL(host_, SetBufferedBytes(0));
-      } else {
-        EXPECT_CALL(host_, SetStreaming(true));
-      }
-    } else {
-      expected_init_status = media::PIPELINE_ERROR_NETWORK;
-      EXPECT_CALL(*loader_, Stop());
-    }
-
-    // Actual initialization of the data source.
-    data_source_->Initialize(url,
-        media::NewExpectedStatusCB(expected_init_status));
-    message_loop_->RunAllPending();
-
-    if (initialized_ok) {
-      // Verify the size of the data source.
-      int64 size;
-      if (instance_size != -1 && (loaded || partial_response)) {
-        EXPECT_TRUE(data_source_->GetSize(&size));
-        EXPECT_EQ(instance_size, size);
-      } else {
-        EXPECT_TRUE(data_source_->IsStreaming());
-      }
-    }
-  }
-
-  void StopDataSource() {
-    if (loader_) {
-      InSequence s;
-      EXPECT_CALL(*loader_, Stop());
-    }
-
-    data_source_->Stop(media::NewExpectedClosure());
-    message_loop_->RunAllPending();
-  }
-
-  void InvokeStartCallback(
-      net::OldCompletionCallback* callback,
-      const base::Closure& network_callback,
-      WebFrame* frame) {
-    callback->RunWithParams(Tuple1<int>(error_));
-    delete callback;
-    // TODO(hclam): Save network_callback.
-  }
-
-  void InvokeReadCallback(int64 position, int size, uint8* buffer,
-                          net::OldCompletionCallback* callback) {
-    if (error_ > 0)
-      memcpy(buffer, data_ + static_cast<int>(position), error_);
-    callback->RunWithParams(Tuple1<int>(error_));
-    delete callback;
-  }
-
-  void ReadDataSourceHit(int64 position, int size, int read_size) {
-    EXPECT_TRUE(loader_);
-
-    InSequence s;
-    // Expect the read is delegated to the resource loader.
-    EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
-        .WillOnce(DoAll(Assign(&error_, read_size),
-                        Invoke(this,
-                               &BufferedDataSourceTest::InvokeReadCallback)));
-
-    // The read has succeeded, so read callback will be called.
-    EXPECT_CALL(*this, ReadCallback(read_size));
-
-    data_source_->Read(
-        position, size, buffer_,
-        base::Bind(&BufferedDataSourceTest::ReadCallback,
-                   base::Unretained(this)));
-    message_loop_->RunAllPending();
-
-    // Make sure data is correct.
-    EXPECT_EQ(0,
-              memcmp(buffer_, data_ + static_cast<int>(position), read_size));
-  }
-
-  void ReadDataSourceHang(int64 position, int size) {
-    EXPECT_TRUE(loader_);
-
-    // Expect a call to read, but the call never returns.
-    EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()));
-    data_source_->Read(
-        position, size, buffer_,
-        base::Bind(&BufferedDataSourceTest::ReadCallback,
-                   base::Unretained(this)));
-    message_loop_->RunAllPending();
-
-    // Now expect the read to return after aborting the data source.
-    EXPECT_CALL(*this, ReadCallback(_));
-    EXPECT_CALL(*loader_, Stop());
-    data_source_->Abort();
-    message_loop_->RunAllPending();
-
-    // The loader has now been stopped. Set this to null so that when the
-    // DataSource is stopped, it does not expect a call to stop the loader.
-    loader_ = NULL;
-  }
-
-  void ReadDataSourceMiss(int64 position, int size, int start_error) {
-    EXPECT_TRUE(loader_);
-
-    // 1. Reply with a cache miss for the read.
-    {
-      InSequence s;
-      EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
-          .WillOnce(DoAll(Assign(&error_, net::ERR_CACHE_MISS),
-                          Invoke(this,
-                                 &BufferedDataSourceTest::InvokeReadCallback)));
-      EXPECT_CALL(*loader_, Stop());
-    }
-
-    // 2. Then the current loader will be stop and destroyed.
-    NiceMock<MockBufferedResourceLoader> *new_loader =
-        new NiceMock<MockBufferedResourceLoader>();
-    EXPECT_CALL(*data_source_, CreateResourceLoader(position, -1))
-        .WillOnce(Return(new_loader));
-
-    // 3. Then the new loader will be started.
-    EXPECT_CALL(*new_loader, Start(NotNull(), _, NotNull()))
-        .WillOnce(DoAll(Assign(&error_, start_error),
-                        Invoke(this,
-                               &BufferedDataSourceTest::InvokeStartCallback)));
-
-    if (start_error == net::OK) {
-      EXPECT_CALL(*new_loader, range_supported())
-          .WillRepeatedly(Return(loader_->range_supported()));
-
-      // 4a. Then again a read request is made to the new loader.
-      EXPECT_CALL(*new_loader, Read(position, size, NotNull(), NotNull()))
-          .WillOnce(DoAll(Assign(&error_, size),
-                          Invoke(this,
-                                 &BufferedDataSourceTest::InvokeReadCallback)));
-
-      EXPECT_CALL(*this, ReadCallback(size));
-    } else {
-      // 4b. The read callback is called with an error because Start() on the
-      // new loader returned an error.
-      EXPECT_CALL(*this, ReadCallback(media::DataSource::kReadError));
-    }
-
-    data_source_->Read(
-        position, size, buffer_,
-        base::Bind(&BufferedDataSourceTest::ReadCallback,
-                   base::Unretained(this)));
-    message_loop_->RunAllPending();
-
-    // Make sure data is correct.
-    if (start_error == net::OK)
-      EXPECT_EQ(0, memcmp(buffer_, data_ + static_cast<int>(position), size));
-
-    loader_ = new_loader;
-  }
-
-  void ReadDataSourceFailed(int64 position, int size, int error) {
-    EXPECT_TRUE(loader_);
-
-    // 1. Expect the read is delegated to the resource loader.
-    EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
-        .WillOnce(DoAll(Assign(&error_, error),
-                        Invoke(this,
-                               &BufferedDataSourceTest::InvokeReadCallback)));
-
-    // 2. Host will then receive an error.
-    EXPECT_CALL(*loader_, Stop());
-
-    // 3. The read has failed, so read callback will be called.
-    EXPECT_CALL(*this, ReadCallback(media::DataSource::kReadError));
-
-    data_source_->Read(
-        position, size, buffer_,
-        base::Bind(&BufferedDataSourceTest::ReadCallback,
-                   base::Unretained(this)));
-
-    message_loop_->RunAllPending();
-  }
-
-  BufferedResourceLoader* InvokeCacheMissCreateResourceLoader(int64 start,
-                                                              int64 end) {
-    NiceMock<MockBufferedResourceLoader>* new_loader =
-        new NiceMock<MockBufferedResourceLoader>();
-
-    EXPECT_CALL(*new_loader, Start(NotNull(), _, NotNull()))
-        .WillOnce(DoAll(Assign(&error_, net::OK),
-                        Invoke(this,
-                               &BufferedDataSourceTest::InvokeStartCallback)));
-
-    EXPECT_CALL(*new_loader, range_supported())
-        .WillRepeatedly(Return(loader_->range_supported()));
-
-    int error = net::ERR_FAILED;
-    if (cache_miss_count_ < kMaxCacheMissesBeforeFailTest) {
-      cache_miss_count_++;
-      error = net::ERR_CACHE_MISS;
-    }
-
-    EXPECT_CALL(*new_loader, Read(start, _, NotNull(), NotNull()))
-        .WillOnce(DoAll(Assign(&error_, error),
-                        Invoke(this,
-                               &BufferedDataSourceTest::InvokeReadCallback)));
-
-    loader_ = new_loader;
-    return new_loader;
-  }
-
-  void ReadDataSourceAlwaysCacheMiss(int64 position, int size) {
-    cache_miss_count_ = 0;
-
-    EXPECT_CALL(*data_source_, CreateResourceLoader(position, -1))
-        .WillRepeatedly(Invoke(
-            this,
-            &BufferedDataSourceTest::InvokeCacheMissCreateResourceLoader));
-
-    EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
-        .WillOnce(DoAll(Assign(&error_, net::ERR_CACHE_MISS),
-                        Invoke(this,
-                               &BufferedDataSourceTest::InvokeReadCallback)));
-
-    EXPECT_CALL(*this, ReadCallback(media::DataSource::kReadError));
-
-    data_source_->Read(
-        position, size, buffer_,
-        base::Bind(&BufferedDataSourceTest::ReadCallback,
-                   base::Unretained(this)));
-
-    message_loop_->RunAllPending();
-
-    EXPECT_LT(cache_miss_count_, kMaxCacheMissesBeforeFailTest);
-  }
-
-  MOCK_METHOD1(ReadCallback, void(size_t size));
-
-  scoped_refptr<NiceMock<MockBufferedResourceLoader> > loader_;
-  scoped_refptr<MockBufferedDataSource> data_source_;
-
-  MockWebFrameClient client_;
-  WebView* view_;
-
-  StrictMock<media::MockFilterHost> host_;
-  GURL gurl_;
-  MessageLoop* message_loop_;
-
-  int error_;
-  uint8 buffer_[1024];
-  uint8 data_[1024];
-
-  int cache_miss_count_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BufferedDataSourceTest);
-};
-
-TEST_F(BufferedDataSourceTest, InitializationSuccess) {
-  InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest, InitiailizationFailed) {
-  InitializeDataSource(kHttpUrl, net::ERR_FILE_NOT_FOUND, false, 0, NONE);
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest, MissingContentLength) {
-  InitializeDataSource(kHttpUrl, net::OK, true, -1, LOADING);
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest, RangeRequestNotSupported) {
-  InitializeDataSource(kHttpUrl, net::OK, false, 1024, LOADING);
-  StopDataSource();
-}
-
-// Test the case where we get a 206 response, but no Content-Range header.
-TEST_F(BufferedDataSourceTest, MissingContentRange) {
-  InitializeDataSource(kHttpUrl, net::ERR_INVALID_RESPONSE, true, 1024,
-                       LOADING);
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest,
-       MissingContentLengthAndRangeRequestNotSupported) {
-  InitializeDataSource(kHttpUrl, net::OK, false, -1, LOADING);
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest, ReadCacheHit) {
-  InitializeDataSource(kHttpUrl, net::OK, true, 25, LOADING);
-
-  // Performs read with cache hit.
-  ReadDataSourceHit(10, 10, 10);
-
-  // Performs read with cache hit but partially filled.
-  ReadDataSourceHit(20, 10, 5);
-
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest, ReadCacheMiss) {
-  InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
-  ReadDataSourceMiss(1000, 10, net::OK);
-  ReadDataSourceMiss(20, 10, net::OK);
-  StopDataSource();
-}
-
-// Test the case where the initial response from the server indicates that
-// Range requests are supported, but a later request prove otherwise.
-TEST_F(BufferedDataSourceTest, ServerLiesAboutRangeSupport) {
-  InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
-  ReadDataSourceHit(10, 10, 10);
-  ReadDataSourceMiss(1000, 10, net::ERR_INVALID_RESPONSE);
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest, ReadHang) {
-  InitializeDataSource(kHttpUrl, net::OK, true, 25, LOADING);
-  ReadDataSourceHang(10, 10);
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest, ReadFailed) {
-  InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
-  ReadDataSourceHit(10, 10, 10);
-  ReadDataSourceFailed(10, 10, net::ERR_CONNECTION_RESET);
-  StopDataSource();
-}
-
-// Helper that sets |*value| to true.  Useful for binding into a Closure.
-static void SetTrue(bool* value) {
-  *value = true;
-}
-
-// This test makes sure that Stop() does not require a task to run on
-// |message_loop_| before it calls its callback. This prevents accidental
-// introduction of a pipeline teardown deadlock. The pipeline owner blocks
-// the render message loop while waiting for Stop() to complete. Since this
-// object runs on the render message loop, Stop() will not complete if it
-// requires a task to run on the the message loop that is being blocked.
-TEST_F(BufferedDataSourceTest, StopDoesNotUseMessageLoopForCallback) {
-  InitializeDataSource(kFileUrl, net::OK, true, 1024, LOADED);
-
-  // Stop() the data source, using a callback that lets us verify that it was
-  // called before Stop() returns. This is to make sure that the callback does
-  // not require |message_loop_| to execute tasks before being called.
-  bool stop_done_called = false;
-  data_source_->Stop(base::Bind(&SetTrue, &stop_done_called));
-
-  // Verify that the callback was called inside the Stop() call.
-  EXPECT_TRUE(stop_done_called);
-
-  message_loop_->RunAllPending();
-}
-
-TEST_F(BufferedDataSourceTest, AbortDuringPendingRead) {
-  InitializeDataSource(kFileUrl, net::OK, true, 1024, LOADED);
-
-  // Setup a way to verify that Read() is not called on the loader.
-  // We are doing this to make sure that the ReadTask() is still on
-  // the message loop queue when Abort() is called.
-  bool read_called = false;
-  ON_CALL(*loader_, Read(_, _, _ , _))
-      .WillByDefault(DoAll(Assign(&read_called, true),
-                           DeleteArg<3>()));
-
-  // Initiate a Read() on the data source, but don't allow the
-  // message loop to run.
-  data_source_->Read(
-      0, 10, buffer_,
-      base::Bind(&BufferedDataSourceTest::ReadCallback,
-                 base::Unretained(static_cast<BufferedDataSourceTest*>(this))));
-
-  // Call Abort() with the read pending.
-  EXPECT_CALL(*this, ReadCallback(-1));
-  EXPECT_CALL(*loader_, Stop());
-  data_source_->Abort();
-
-  // Verify that Read()'s after the Abort() issue callback with an error.
-  EXPECT_CALL(*this, ReadCallback(-1));
-  data_source_->Read(
-      0, 10, buffer_,
-      base::Bind(&BufferedDataSourceTest::ReadCallback,
-                 base::Unretained(static_cast<BufferedDataSourceTest*>(this))));
-
-  // Stop() the data source like normal.
-  data_source_->Stop(media::NewExpectedClosure());
-
-  // Allow cleanup task to run.
-  message_loop_->RunAllPending();
-
-  // Verify that Read() was not called on the loader.
-  EXPECT_FALSE(read_called);
-}
-
-// Test that we only allow a limited number of cache misses for a
-// single Read() request.
-TEST_F(BufferedDataSourceTest, BoundedCacheMisses) {
-  InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
-
-  ReadDataSourceAlwaysCacheMiss(0, 10);
-
-  StopDataSource();
-}
-
-// TODO(scherkus): de-dupe from buffered_resource_loader_unittest.cc
-ACTION_P(RequestCanceled, loader) {
-  WebURLError error;
-  error.reason = net::ERR_ABORTED;
-  error.domain = WebString::fromUTF8(net::kErrorDomain);
-  loader->didFail(NULL, error);
-}
-
-// A more realistic BufferedDataSource that uses BufferedResourceLoader instead
-// of a mocked version but injects a MockWebURLLoader.
-//
-// TODO(scherkus): re-write these tests to use this class then drop the "2"
-// suffix.
-class MockBufferedDataSource2 : public BufferedDataSource {
- public:
-  MockBufferedDataSource2(MessageLoop* message_loop, WebFrame* frame)
-      : BufferedDataSource(message_loop, frame, new media::MediaLog()),
-        url_loader_(NULL) {
-  }
-
-  virtual base::TimeDelta GetTimeoutMilliseconds() {
-    return base::TimeDelta::FromMilliseconds(
-                            TestTimeouts::tiny_timeout_ms());
-  }
-
-  virtual BufferedResourceLoader* CreateResourceLoader(int64 first_position,
-                                                       int64 last_position) {
-    loader_ = BufferedDataSource::CreateResourceLoader(first_position,
-                                                       last_position);
-
-    url_loader_ = new NiceMock<MockWebURLLoader>();
-    ON_CALL(*url_loader_, cancel())
-        .WillByDefault(RequestCanceled(loader_));
-
-    loader_->SetURLLoaderForTest(url_loader_);
-    return loader_;
-  }
-
-  const scoped_refptr<BufferedResourceLoader>& loader() { return loader_; }
-  NiceMock<MockWebURLLoader>* url_loader() { return url_loader_; }
-
- private:
-  scoped_refptr<BufferedResourceLoader> loader_;
-  NiceMock<MockWebURLLoader>* url_loader_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockBufferedDataSource2);
-};
-
-class BufferedDataSourceTest2 : public testing::Test {
- public:
-  BufferedDataSourceTest2()
-      : view_(WebView::create(NULL)),
-        message_loop_(MessageLoop::current()) {
-    view_->initializeMainFrame(&client_);
-  }
-
-  virtual ~BufferedDataSourceTest2() {
-    view_->close();
-  }
-
-  void InitializeDataSource(const char* url) {
-    gurl_ = GURL(url);
-
-    data_source_ = new MockBufferedDataSource2(message_loop_,
-                                               view_->mainFrame());
-    data_source_->set_host(&host_);
-    data_source_->Initialize(url,
-                             media::NewExpectedStatusCB(media::PIPELINE_OK));
-    message_loop_->RunAllPending();
-
-    // Simulate 206 response for a 5,000,000 byte length file.
-    WebURLResponse response(gurl_);
-    response.setHTTPHeaderField(WebString::fromUTF8("Accept-Ranges"),
-                                WebString::fromUTF8("bytes"));
-    response.setHTTPHeaderField(WebString::fromUTF8("Content-Range"),
-                                WebString::fromUTF8("bytes 0-4999999/5000000"));
-    response.setHTTPHeaderField(WebString::fromUTF8("Content-Length"),
-                                WebString::fromUTF8("5000000"));
-    response.setExpectedContentLength(5000000);
-    response.setHTTPStatusCode(206);
-
-    // We should receive corresponding information about the media resource.
-    EXPECT_CALL(host_, SetLoaded(false));
-    EXPECT_CALL(host_, SetTotalBytes(5000000));
-    EXPECT_CALL(host_, SetBufferedBytes(0));
-
-    data_source_->loader()->didReceiveResponse(data_source_->url_loader(),
-                                               response);
-
-    message_loop_->RunAllPending();
-  }
-
-  void StopDataSource() {
-    data_source_->Stop(media::NewExpectedClosure());
-    message_loop_->RunAllPending();
-  }
-
-  MOCK_METHOD1(ReadCallback, void(size_t size));
-  media::DataSource::ReadCallback NewReadCallback(size_t size) {
-    EXPECT_CALL(*this, ReadCallback(size));
-    return base::Bind(&BufferedDataSourceTest2::ReadCallback,
-                      base::Unretained(this));
-  }
-
-  // Accessors for private variables on |data_source_|.
-  media::Preload preload() { return data_source_->preload_; }
-  BufferedResourceLoader::DeferStrategy defer_strategy() {
-    return data_source_->loader()->defer_strategy_;
-  }
-  int data_source_bitrate() { return data_source_->bitrate_; }
-  int data_source_playback_rate() { return data_source_->playback_rate_; }
-  int loader_bitrate() { return data_source_->loader()->bitrate_; }
-  int loader_playback_rate() { return data_source_->loader()->playback_rate_; }
-
-  scoped_refptr<MockBufferedDataSource2> data_source_;
-
-  GURL gurl_;
-  MockWebFrameClient client_;
-  WebView* view_;
-
-  StrictMock<media::MockFilterHost> host_;
-  MessageLoop* message_loop_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BufferedDataSourceTest2);
-};
-
-TEST_F(BufferedDataSourceTest2, Default) {
-  InitializeDataSource("http://localhost/foo.webm");
-
-  // Ensure we have sane values for default loading scenario.
-  EXPECT_EQ(media::AUTO, preload());
-  EXPECT_EQ(BufferedResourceLoader::kThresholdDefer, defer_strategy());
-
-  EXPECT_EQ(0, data_source_bitrate());
-  EXPECT_EQ(0.0f, data_source_playback_rate());
-  EXPECT_EQ(0, loader_bitrate());
-  EXPECT_EQ(0.0f, loader_playback_rate());
-
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest2, SetBitrate) {
-  InitializeDataSource("http://localhost/foo.webm");
-
-  data_source_->SetBitrate(1234);
-  message_loop_->RunAllPending();
-  EXPECT_EQ(1234, data_source_bitrate());
-  EXPECT_EQ(1234, loader_bitrate());
-
-  // Read so far ahead to cause the loader to get recreated.
-  BufferedResourceLoader* old_loader = data_source_->loader();
-
-  uint8 buffer[1024];
-  data_source_->Read(4000000, 1024, buffer,
-                     NewReadCallback(media::DataSource::kReadError));
-  message_loop_->RunAllPending();
-
-  // Verify loader changed but still has same bitrate.
-  EXPECT_NE(old_loader, data_source_->loader().get());
-  EXPECT_EQ(1234, loader_bitrate());
-
-  StopDataSource();
-}
-
-TEST_F(BufferedDataSourceTest2, SetPlaybackRate) {
-  InitializeDataSource("http://localhost/foo.webm");
-
-  data_source_->SetPlaybackRate(2.0f);
-  message_loop_->RunAllPending();
-  EXPECT_EQ(2.0f, data_source_playback_rate());
-  EXPECT_EQ(2.0f, loader_playback_rate());
-
-  // Read so far ahead to cause the loader to get recreated.
-  BufferedResourceLoader* old_loader = data_source_->loader();
-
-  uint8 buffer[1024];
-  data_source_->Read(4000000, 1024, buffer,
-                     NewReadCallback(media::DataSource::kReadError));
-  message_loop_->RunAllPending();
-
-  // Verify loader changed but still has same bitrate.
-  EXPECT_NE(old_loader, data_source_->loader().get());
-  EXPECT_EQ(2.0f, loader_playback_rate());
-
-  StopDataSource();
-}
-
-}  // namespace webkit_glue