Revert "reland of Improve linearized pdf load/show time."

pdf/document_loader_unittest.cc

Index: pdf/document_loader_unittest.cc
diff --git a/pdf/document_loader_unittest.cc b/pdf/document_loader_unittest.cc
deleted file mode 100644
index 5d3df8da59abe1028596ca5c2c56b649086ac514..0000000000000000000000000000000000000000
--- a/pdf/document_loader_unittest.cc
+++ /dev/null
@@ -1,1179 +0,0 @@
-// Copyright 2016 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 "pdf/document_loader.h"
-
-#include <memory>
-#include <string>
-
-#include "base/logging.h"
-#include "pdf/url_loader_wrapper.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gfx/range/range.h"
-
-using ::testing::_;
-using ::testing::Mock;
-using ::testing::Sequence;
-using ::testing::NiceMock;
-using ::testing::Return;
-
-namespace chrome_pdf {
-
-namespace {
-
-class TestURLLoader : public URLLoaderWrapper {
- public:
-  class LoaderData {
-   public:
-    LoaderData() {}
-    ~LoaderData() {
-      // We should call callbacks to prevent memory leaks.
-      // The callbacks don't do anything, because the objects that created the
-      // callbacks have been destroyed.
-      if (IsWaitRead())
-        CallReadCallback(-1);
-      if (IsWaitOpen())
-        CallOpenCallback(-1);
-    }
-
-    int content_length() const { return content_length_; }
-    void set_content_length(int content_length) {
-      content_length_ = content_length;
-    }
-    bool accept_ranges_bytes() const { return accept_ranges_bytes_; }
-    void set_accept_ranges_bytes(bool accept_ranges_bytes) {
-      accept_ranges_bytes_ = accept_ranges_bytes;
-    }
-    bool content_encoded() const { return content_encoded_; }
-    void set_content_encoded(bool content_encoded) {
-      content_encoded_ = content_encoded;
-    }
-    const std::string& content_type() const { return content_type_; }
-    void set_content_type(const std::string& content_type) {
-      content_type_ = content_type;
-    }
-    const std::string& content_disposition() const {
-      return content_disposition_;
-    }
-    void set_content_disposition(const std::string& content_disposition) {
-      content_disposition_ = content_disposition;
-    }
-    const std::string& multipart_boundary() const {
-      return multipart_boundary_;
-    }
-    void set_multipart_boundary(const std::string& multipart_boundary) {
-      multipart_boundary_ = multipart_boundary;
-    }
-    const gfx::Range& byte_range() const { return byte_range_; }
-    void set_byte_range(const gfx::Range& byte_range) {
-      byte_range_ = byte_range;
-    }
-    bool is_multipart() const { return is_multipart_; }
-    void set_is_multipart(bool is_multipart) { is_multipart_ = is_multipart; }
-    int status_code() const { return status_code_; }
-    void set_status_code(int status_code) { status_code_ = status_code; }
-    bool closed() const { return closed_; }
-    void set_closed(bool closed) { closed_ = closed; }
-    const gfx::Range& open_byte_range() const { return open_byte_range_; }
-    void set_open_byte_range(const gfx::Range& open_byte_range) {
-      open_byte_range_ = open_byte_range;
-    }
-
-    bool IsWaitRead() const { return !did_read_callback_.IsOptional(); }
-    bool IsWaitOpen() const { return !did_open_callback_.IsOptional(); }
-    char* buffer() const { return buffer_; }
-    int buffer_size() const { return buffer_size_; }
-
-    void SetReadCallback(const pp::CompletionCallback& read_callback,
-                         char* buffer,
-                         int buffer_size) {
-      did_read_callback_ = read_callback;
-      buffer_ = buffer;
-      buffer_size_ = buffer_size;
-    }
-
-    void SetOpenCallback(const pp::CompletionCallback& open_callback,
-                         gfx::Range req_byte_range) {
-      did_open_callback_ = open_callback;
-      set_open_byte_range(req_byte_range);
-    }
-
-    void CallOpenCallback(int result) {
-      DCHECK(IsWaitOpen());
-      did_open_callback_.RunAndClear(result);
-    }
-
-    void CallReadCallback(int result) {
-      DCHECK(IsWaitRead());
-      did_read_callback_.RunAndClear(result);
-    }
-
-   private:
-    pp::CompletionCallback did_open_callback_;
-    pp::CompletionCallback did_read_callback_;
-    char* buffer_ = nullptr;
-    int buffer_size_ = 0;
-
-    int content_length_ = -1;
-    bool accept_ranges_bytes_ = false;
-    bool content_encoded_ = false;
-    std::string content_type_;
-    std::string content_disposition_;
-    std::string multipart_boundary_;
-    gfx::Range byte_range_ = gfx::Range::InvalidRange();
-    bool is_multipart_ = false;
-    int status_code_ = 0;
-    bool closed_ = true;
-    gfx::Range open_byte_range_ = gfx::Range::InvalidRange();
-
-    DISALLOW_COPY_AND_ASSIGN(LoaderData);
-  };
-
-  explicit TestURLLoader(LoaderData* data) : data_(data) {
-    data_->set_closed(false);
-  }
-
-  ~TestURLLoader() override { Close(); }
-
-  int GetContentLength() const override { return data_->content_length(); }
-
-  bool IsAcceptRangesBytes() const override {
-    return data_->accept_ranges_bytes();
-  }
-
-  bool IsContentEncoded() const override { return data_->content_encoded(); }
-
-  std::string GetContentType() const override { return data_->content_type(); }
-
-  std::string GetContentDisposition() const override {
-    return data_->content_disposition();
-  }
-
-  int GetStatusCode() const override { return data_->status_code(); }
-
-  bool IsMultipart() const override { return data_->is_multipart(); }
-
-  bool GetByteRange(int* start, int* end) const override {
-    *start = data_->byte_range().start();
-    *end = data_->byte_range().end();
-    return data_->byte_range().IsValid();
-  }
-
-  void Close() override { data_->set_closed(true); }
-
-  void OpenRange(const std::string& url,
-                 const std::string& referrer_url,
-                 uint32_t position,
-                 uint32_t size,
-                 const pp::CompletionCallback& cc) override {
-    data_->SetOpenCallback(cc, gfx::Range(position, position + size));
-  }
-
-  void ReadResponseBody(char* buffer,
-                        int buffer_size,
-                        const pp::CompletionCallback& cc) override {
-    data_->SetReadCallback(cc, buffer, buffer_size);
-  }
-
-  bool GetDownloadProgress(int64_t* bytes_received,
-                           int64_t* total_bytes_to_be_received) const override {
-    return false;
-  }
-
- private:
-  LoaderData* data_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestURLLoader);
-};
-
-class TestClient : public DocumentLoader::Client {
- public:
-  TestClient() { full_page_loader_data()->set_content_type("application/pdf"); }
-  ~TestClient() override {}
-
-  // DocumentLoader::Client overrides:
-  pp::Instance* GetPluginInstance() override { return nullptr; }
-  std::unique_ptr<URLLoaderWrapper> CreateURLLoader() override {
-    return std::unique_ptr<URLLoaderWrapper>(
-        new TestURLLoader(partial_loader_data()));
-  }
-  void OnPendingRequestComplete() override {}
-  void OnNewDataAvailable() override {}
-  void OnDocumentComplete() override {}
-  void OnDocumentCanceled() override {}
-  void CancelBrowserDownload() override {}
-
-  std::unique_ptr<URLLoaderWrapper> CreateFullPageLoader() {
-    return std::unique_ptr<URLLoaderWrapper>(
-        new TestURLLoader(full_page_loader_data()));
-  }
-
-  TestURLLoader::LoaderData* full_page_loader_data() {
-    return &full_page_loader_data_;
-  }
-  TestURLLoader::LoaderData* partial_loader_data() {
-    return &partial_loader_data_;
-  }
-
-  void SetCanUsePartialLoading() {
-    full_page_loader_data()->set_content_length(10 * 1024 * 1024);
-    full_page_loader_data()->set_content_encoded(false);
-    full_page_loader_data()->set_accept_ranges_bytes(true);
-  }
-
-  void SendAllPartialData() {
-    partial_loader_data_.set_byte_range(partial_loader_data_.open_byte_range());
-    partial_loader_data_.CallOpenCallback(0);
-    uint32_t length = partial_loader_data_.byte_range().length();
-    while (length > 0) {
-      const uint32_t max_part_len = DocumentLoader::kDefaultRequestSize;
-      const uint32_t part_len = std::min(length, max_part_len);
-      partial_loader_data_.CallReadCallback(part_len);
-      length -= part_len;
-    }
-    if (partial_loader_data_.IsWaitRead()) {
-      partial_loader_data_.CallReadCallback(0);
-    }
-  }
-
- private:
-  TestURLLoader::LoaderData full_page_loader_data_;
-  TestURLLoader::LoaderData partial_loader_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestClient);
-};
-
-class MockClient : public TestClient {
- public:
-  MockClient() {}
-
-  MOCK_METHOD0(OnPendingRequestComplete, void());
-  MOCK_METHOD0(OnNewDataAvailable, void());
-  MOCK_METHOD0(OnDocumentComplete, void());
-  MOCK_METHOD0(OnDocumentCanceled, void());
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MockClient);
-};
-
-}  // namespace
-
-using DocumentLoaderTest = ::testing::Test;
-
-TEST_F(DocumentLoaderTest, PartialLoadingEnabled) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(1000000, 1);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_TRUE(loader.is_partial_loader_active());
-}
-
-TEST_F(DocumentLoaderTest, PartialLoadingDisabledOnSmallFiles) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 2);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(1000000, 1);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-}
-
-TEST_F(DocumentLoaderTest, PartialLoadingDisabledIfContentEncoded) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_encoded(true);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(1000000, 1);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-}
-
-TEST_F(DocumentLoaderTest, PartialLoadingDisabledNoAcceptRangeBytes) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_accept_ranges_bytes(false);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(1000000, 1);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-}
-
-TEST_F(DocumentLoaderTest, PartialLoadingReallyDisabledRequestFromBegin) {
-  TestClient client;
-  DocumentLoader loader(&client);
-  client.SetCanUsePartialLoading();
-  loader.SetPartialLoadingEnabled(false);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  // We should not start partial loading if requested data is beside full page
-  // loading position.
-  loader.RequestData(DocumentLoader::kDefaultRequestSize, 1);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-}
-
-TEST_F(DocumentLoaderTest, PartialLoadingReallyDisabledRequestFromMiddle) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  DocumentLoader loader(&client);
-  loader.SetPartialLoadingEnabled(false);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(1000000, 1);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(loader.is_partial_loader_active());
-}
-
-TEST_F(DocumentLoaderTest, PartialLoadingSimple) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  // While we have no requests, we should not start partial loading.
-  EXPECT_FALSE(loader.is_partial_loader_active());
-
-  loader.RequestData(5000000, 1);
-
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
-  EXPECT_FALSE(loader.is_partial_loader_active());
-
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  // Partial loader should request headers.
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  EXPECT_TRUE(loader.is_partial_loader_active());
-  // Loader should be stopped.
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-
-  EXPECT_EQ("{4980736,10485760}",
-            client.partial_loader_data()->open_byte_range().ToString());
-}
-
-TEST_F(DocumentLoaderTest, PartialLoadingBackOrder) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  // While we have no requests, we should not start partial loading.
-  EXPECT_FALSE(loader.is_partial_loader_active());
-
-  loader.RequestData(client.full_page_loader_data()->content_length() - 1, 1);
-
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
-  EXPECT_FALSE(loader.is_partial_loader_active());
-
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  // Partial loader should request headers.
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  EXPECT_TRUE(loader.is_partial_loader_active());
-  // Loader should be stopped.
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-
-  // Requested range should be enlarged.
-  EXPECT_GT(client.partial_loader_data()->open_byte_range().length(), 1u);
-  EXPECT_EQ("{9830400,10485760}",
-            client.partial_loader_data()->open_byte_range().ToString());
-}
-
-TEST_F(DocumentLoaderTest, CompleteWithoutPartial) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_FALSE(client.full_page_loader_data()->closed());
-  while (client.full_page_loader_data()->IsWaitRead()) {
-    client.full_page_loader_data()->CallReadCallback(1000);
-  }
-  EXPECT_TRUE(loader.IsDocumentComplete());
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, ErrorDownloadFullDocument) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
-  EXPECT_FALSE(client.full_page_loader_data()->closed());
-  client.full_page_loader_data()->CallReadCallback(-3);
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-  EXPECT_FALSE(loader.IsDocumentComplete());
-}
-
-TEST_F(DocumentLoaderTest, CompleteNoContentLength) {
-  TestClient client;
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_FALSE(client.full_page_loader_data()->closed());
-  for (int i = 0; i < 10; ++i) {
-    EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
-    client.full_page_loader_data()->CallReadCallback(1000);
-  }
-  EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
-  client.full_page_loader_data()->CallReadCallback(0);
-  EXPECT_EQ(10000ul, loader.GetDocumentSize());
-  EXPECT_TRUE(loader.IsDocumentComplete());
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, CompleteWithPartial) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(19 * DocumentLoader::kDefaultRequestSize,
-                     DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(client.full_page_loader_data()->closed());
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitRead());
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
-
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-  EXPECT_FALSE(client.partial_loader_data()->closed());
-
-  client.SendAllPartialData();
-  // Now we should send other document data.
-  client.SendAllPartialData();
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, PartialRequestLastChunk) {
-  const uint32_t kLastChunkSize = 300;
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20 + kLastChunkSize);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(20 * DocumentLoader::kDefaultRequestSize, 1);
-
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  EXPECT_EQ(
-      static_cast<int>(client.partial_loader_data()->open_byte_range().end()),
-      client.full_page_loader_data()->content_length());
-  client.partial_loader_data()->set_byte_range(
-      client.partial_loader_data()->open_byte_range());
-  client.partial_loader_data()->CallOpenCallback(0);
-  uint32_t data_length = client.partial_loader_data()->byte_range().length();
-  while (data_length > DocumentLoader::kDefaultRequestSize) {
-    client.partial_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-    data_length -= DocumentLoader::kDefaultRequestSize;
-  }
-  EXPECT_EQ(kLastChunkSize, data_length);
-  client.partial_loader_data()->CallReadCallback(kLastChunkSize);
-  EXPECT_TRUE(loader.IsDataAvailable(DocumentLoader::kDefaultRequestSize * 20,
-                                     kLastChunkSize));
-}
-
-TEST_F(DocumentLoaderTest, DocumentSize) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(123456789);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_EQ(static_cast<int>(loader.GetDocumentSize()),
-            client.full_page_loader_data()->content_length());
-}
-
-TEST_F(DocumentLoaderTest, DocumentSizeNoContentLength) {
-  TestClient client;
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_EQ(0ul, loader.GetDocumentSize());
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  client.full_page_loader_data()->CallReadCallback(1000);
-  client.full_page_loader_data()->CallReadCallback(500);
-  client.full_page_loader_data()->CallReadCallback(0);
-  EXPECT_EQ(DocumentLoader::kDefaultRequestSize + 1000ul + 500ul,
-            loader.GetDocumentSize());
-  EXPECT_TRUE(loader.IsDocumentComplete());
-}
-
-TEST_F(DocumentLoaderTest, ClearPendingRequests) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 100 + 58383);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 100, 10);
-  loader.ClearPendingRequests();
-  loader.RequestData(15 * DocumentLoader::kDefaultRequestSize + 200, 20);
-  // pending requests are accumulating, and will be processed after initial data
-  // load.
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  {
-    EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-    const gfx::Range range_requested(15 * DocumentLoader::kDefaultRequestSize,
-                                     16 * DocumentLoader::kDefaultRequestSize);
-    EXPECT_EQ(range_requested.start(),
-              client.partial_loader_data()->open_byte_range().start());
-    EXPECT_LE(range_requested.end(),
-              client.partial_loader_data()->open_byte_range().end());
-    client.partial_loader_data()->set_byte_range(
-        client.partial_loader_data()->open_byte_range());
-  }
-  // clear requests before Open callback.
-  loader.ClearPendingRequests();
-  // Current request should continue loading.
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->CallOpenCallback(0);
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(client.partial_loader_data()->closed());
-  // Current request should continue loading, because no other request queued.
-
-  loader.RequestData(18 * DocumentLoader::kDefaultRequestSize + 200, 20);
-  // Requests queue is processed only on receiving data.
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  // New request within close distance from the one currently loading. Loading
-  // isn't restarted.
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
-
-  loader.ClearPendingRequests();
-  // request again two.
-  loader.RequestData(60 * DocumentLoader::kDefaultRequestSize + 100, 10);
-  loader.RequestData(35 * DocumentLoader::kDefaultRequestSize + 200, 20);
-  // Requests queue is processed only on receiving data.
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  {
-    // new requset not with in close distance from current loading.
-    // Loading should be restarted.
-    EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-    // The first requested chunk should be processed.
-    const gfx::Range range_requested(35 * DocumentLoader::kDefaultRequestSize,
-                                     36 * DocumentLoader::kDefaultRequestSize);
-    EXPECT_EQ(range_requested.start(),
-              client.partial_loader_data()->open_byte_range().start());
-    EXPECT_LE(range_requested.end(),
-              client.partial_loader_data()->open_byte_range().end());
-    client.partial_loader_data()->set_byte_range(
-        client.partial_loader_data()->open_byte_range());
-  }
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->CallOpenCallback(0);
-  // Override pending requests.
-  loader.ClearPendingRequests();
-  loader.RequestData(70 * DocumentLoader::kDefaultRequestSize + 100, 10);
-
-  // Requests queue is processed only on receiving data.
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  {
-    // New requset not with in close distance from current loading.
-    // Loading should be restarted .
-    EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-    // The first requested chunk should be processed.
-    const gfx::Range range_requested(70 * DocumentLoader::kDefaultRequestSize,
-                                     71 * DocumentLoader::kDefaultRequestSize);
-    EXPECT_EQ(range_requested.start(),
-              client.partial_loader_data()->open_byte_range().start());
-    EXPECT_LE(range_requested.end(),
-              client.partial_loader_data()->open_byte_range().end());
-    client.partial_loader_data()->set_byte_range(
-        client.partial_loader_data()->open_byte_range());
-  }
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-}
-
-TEST_F(DocumentLoaderTest, GetBlock) {
-  std::vector<char> buffer(DocumentLoader::kDefaultRequestSize);
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20 + 58383);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_FALSE(loader.GetBlock(0, 1000, buffer.data()));
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_TRUE(loader.GetBlock(0, 1000, buffer.data()));
-  EXPECT_FALSE(loader.GetBlock(DocumentLoader::kDefaultRequestSize, 1500,
-                               buffer.data()));
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_TRUE(loader.GetBlock(DocumentLoader::kDefaultRequestSize, 1500,
-                              buffer.data()));
-
-  EXPECT_FALSE(loader.GetBlock(17 * DocumentLoader::kDefaultRequestSize, 3000,
-                               buffer.data()));
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 100, 10);
-  EXPECT_FALSE(loader.GetBlock(17 * DocumentLoader::kDefaultRequestSize, 3000,
-                               buffer.data()));
-
-  // Requests queue is processed only on receiving data.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  client.SendAllPartialData();
-  EXPECT_TRUE(loader.GetBlock(17 * DocumentLoader::kDefaultRequestSize, 3000,
-                              buffer.data()));
-}
-
-TEST_F(DocumentLoaderTest, IsDataAvailable) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20 + 58383);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_FALSE(loader.IsDataAvailable(0, 1000));
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_TRUE(loader.IsDataAvailable(0, 1000));
-  EXPECT_FALSE(
-      loader.IsDataAvailable(DocumentLoader::kDefaultRequestSize, 1500));
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_TRUE(
-      loader.IsDataAvailable(DocumentLoader::kDefaultRequestSize, 1500));
-
-  EXPECT_FALSE(
-      loader.IsDataAvailable(17 * DocumentLoader::kDefaultRequestSize, 3000));
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 100, 10);
-  EXPECT_FALSE(
-      loader.IsDataAvailable(17 * DocumentLoader::kDefaultRequestSize, 3000));
-
-  // Requests queue is processed only on receiving data.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  client.SendAllPartialData();
-  EXPECT_TRUE(
-      loader.IsDataAvailable(17 * DocumentLoader::kDefaultRequestSize, 3000));
-}
-
-TEST_F(DocumentLoaderTest, RequestData) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 100 + 58383);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(37 * DocumentLoader::kDefaultRequestSize + 200, 10);
-  loader.RequestData(25 * DocumentLoader::kDefaultRequestSize + 600, 100);
-  loader.RequestData(13 * DocumentLoader::kDefaultRequestSize + 900, 500);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  {
-    EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-    const gfx::Range range_requested(13 * DocumentLoader::kDefaultRequestSize,
-                                     14 * DocumentLoader::kDefaultRequestSize);
-    EXPECT_EQ(range_requested.start(),
-              client.partial_loader_data()->open_byte_range().start());
-    EXPECT_LE(range_requested.end(),
-              client.partial_loader_data()->open_byte_range().end());
-    client.partial_loader_data()->set_byte_range(
-        client.partial_loader_data()->open_byte_range());
-  }
-  client.partial_loader_data()->CallOpenCallback(0);
-  // Override pending requests.
-  loader.ClearPendingRequests();
-  loader.RequestData(38 * DocumentLoader::kDefaultRequestSize + 200, 10);
-  loader.RequestData(26 * DocumentLoader::kDefaultRequestSize + 600, 100);
-  // Requests queue is processed only on receiving data.
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  {
-    EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-    const gfx::Range range_requested(26 * DocumentLoader::kDefaultRequestSize,
-                                     27 * DocumentLoader::kDefaultRequestSize);
-    EXPECT_EQ(range_requested.start(),
-              client.partial_loader_data()->open_byte_range().start());
-    EXPECT_LE(range_requested.end(),
-              client.partial_loader_data()->open_byte_range().end());
-    client.partial_loader_data()->set_byte_range(
-        client.partial_loader_data()->open_byte_range());
-  }
-  client.partial_loader_data()->CallOpenCallback(0);
-  // Override pending requests.
-  loader.ClearPendingRequests();
-  loader.RequestData(39 * DocumentLoader::kDefaultRequestSize + 200, 10);
-  // Requests queue is processed only on receiving data.
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  {
-    EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-    const gfx::Range range_requested(39 * DocumentLoader::kDefaultRequestSize,
-                                     40 * DocumentLoader::kDefaultRequestSize);
-    EXPECT_EQ(range_requested.start(),
-              client.partial_loader_data()->open_byte_range().start());
-    EXPECT_LE(range_requested.end(),
-              client.partial_loader_data()->open_byte_range().end());
-    client.partial_loader_data()->set_byte_range(
-        client.partial_loader_data()->open_byte_range());
-  }
-  // Fill all gaps.
-  while (!loader.IsDocumentComplete()) {
-    client.SendAllPartialData();
-  }
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, DoNotLoadAvailablePartialData) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20 + 58383);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  // Send more data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  loader.RequestData(2 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send more data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  // Partial loading should not have started for already available data.
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, DoNotLoadDataAfterComplete) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  for (int i = 0; i < 20; ++i) {
-    client.full_page_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-  }
-
-  EXPECT_TRUE(loader.IsDocumentComplete());
-
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-  EXPECT_TRUE(client.full_page_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, DoNotLoadPartialDataAboveDocumentSize) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(20 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, MergePendingRequests) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 50 + 58383);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-  loader.RequestData(16 * DocumentLoader::kDefaultRequestSize + 600, 100);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  const gfx::Range range_requested(16 * DocumentLoader::kDefaultRequestSize,
-                                   18 * DocumentLoader::kDefaultRequestSize);
-  EXPECT_EQ(range_requested.start(),
-            client.partial_loader_data()->open_byte_range().start());
-  EXPECT_LE(range_requested.end(),
-            client.partial_loader_data()->open_byte_range().end());
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-
-  // Fill all gaps.
-  while (!loader.IsDocumentComplete()) {
-    client.SendAllPartialData();
-  }
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, PartialStopOnStatusCodeError) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->set_status_code(404);
-  client.partial_loader_data()->CallOpenCallback(0);
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest,
-       PartialAsFullDocumentLoadingRangeRequestNoRangeField) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->set_byte_range(gfx::Range::InvalidRange());
-  client.partial_loader_data()->CallOpenCallback(0);
-  EXPECT_FALSE(client.partial_loader_data()->closed());
-  // Partial loader is used to load the whole page, like full page loader.
-  EXPECT_FALSE(loader.is_partial_loader_active());
-}
-
-TEST_F(DocumentLoaderTest, PartialMultiPart) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->set_is_multipart(true);
-  client.partial_loader_data()->CallOpenCallback(0);
-  client.partial_loader_data()->set_byte_range(
-      gfx::Range(17 * DocumentLoader::kDefaultRequestSize,
-                 18 * DocumentLoader::kDefaultRequestSize));
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_TRUE(loader.IsDataAvailable(17 * DocumentLoader::kDefaultRequestSize,
-                                     DocumentLoader::kDefaultRequestSize));
-}
-
-TEST_F(DocumentLoaderTest, PartialMultiPartRangeError) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->set_is_multipart(true);
-  client.partial_loader_data()->CallOpenCallback(0);
-  client.partial_loader_data()->set_byte_range(gfx::Range::InvalidRange());
-  client.partial_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  EXPECT_FALSE(loader.IsDataAvailable(17 * DocumentLoader::kDefaultRequestSize,
-                                      DocumentLoader::kDefaultRequestSize));
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, PartialConnectionErrorOnOpen) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->CallOpenCallback(-3);
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-
-  // Partial loading should not restart after any error.
-  loader.RequestData(18 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, PartialConnectionErrorOnRead) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(17 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  // Send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
-  client.partial_loader_data()->set_byte_range(
-      gfx::Range(17 * DocumentLoader::kDefaultRequestSize,
-                 18 * DocumentLoader::kDefaultRequestSize));
-  client.partial_loader_data()->CallOpenCallback(0);
-  EXPECT_TRUE(client.partial_loader_data()->IsWaitRead());
-  client.partial_loader_data()->CallReadCallback(-3);
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-
-  // Partial loading should not restart after any error.
-  loader.RequestData(18 * DocumentLoader::kDefaultRequestSize + 200, 10);
-
-  EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
-  EXPECT_TRUE(client.partial_loader_data()->closed());
-}
-
-TEST_F(DocumentLoaderTest, GetProgress) {
-  TestClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_EQ(0., loader.GetProgress());
-
-  for (int i = 0; i < 20; ++i) {
-    EXPECT_EQ(i * 100 / 20, static_cast<int>(loader.GetProgress() * 100));
-    client.full_page_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-  }
-  EXPECT_EQ(1., loader.GetProgress());
-}
-
-TEST_F(DocumentLoaderTest, GetProgressNoContentLength) {
-  TestClient client;
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-  EXPECT_EQ(-1., loader.GetProgress());
-
-  for (int i = 0; i < 20; ++i) {
-    EXPECT_EQ(-1., loader.GetProgress());
-    client.full_page_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-  }
-  client.full_page_loader_data()->CallReadCallback(0);
-  EXPECT_EQ(1., loader.GetProgress());
-}
-
-TEST_F(DocumentLoaderTest, ClientCompleteCallbacks) {
-  MockClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  EXPECT_CALL(client, OnDocumentComplete()).Times(0);
-  for (int i = 0; i < 19; ++i) {
-    client.full_page_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-  }
-  Mock::VerifyAndClear(&client);
-
-  EXPECT_CALL(client, OnDocumentComplete()).Times(1);
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  Mock::VerifyAndClear(&client);
-}
-
-TEST_F(DocumentLoaderTest, ClientCompleteCallbacksNoContentLength) {
-  MockClient client;
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
-  EXPECT_CALL(client, OnDocumentComplete()).Times(0);
-  for (int i = 0; i < 20; ++i) {
-    client.full_page_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-  }
-  Mock::VerifyAndClear(&client);
-
-  EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
-  EXPECT_CALL(client, OnDocumentComplete()).Times(1);
-  client.full_page_loader_data()->CallReadCallback(0);
-  Mock::VerifyAndClear(&client);
-}
-
-TEST_F(DocumentLoaderTest, ClientCancelCallback) {
-  MockClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
-  EXPECT_CALL(client, OnDocumentComplete()).Times(0);
-  for (int i = 0; i < 10; ++i) {
-    client.full_page_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-  }
-  Mock::VerifyAndClear(&client);
-
-  EXPECT_CALL(client, OnDocumentComplete()).Times(0);
-  EXPECT_CALL(client, OnDocumentCanceled()).Times(1);
-  client.full_page_loader_data()->CallReadCallback(-3);
-  Mock::VerifyAndClear(&client);
-}
-
-TEST_F(DocumentLoaderTest, NewDataAvailable) {
-  MockClient client;
-  client.SetCanUsePartialLoading();
-  client.full_page_loader_data()->set_content_length(
-      DocumentLoader::kDefaultRequestSize * 20);
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  EXPECT_CALL(client, OnNewDataAvailable()).Times(1);
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  Mock::VerifyAndClear(&client);
-
-  EXPECT_CALL(client, OnNewDataAvailable()).Times(0);
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize - 100);
-  Mock::VerifyAndClear(&client);
-
-  EXPECT_CALL(client, OnNewDataAvailable()).Times(1);
-  client.full_page_loader_data()->CallReadCallback(100);
-  Mock::VerifyAndClear(&client);
-}
-
-TEST_F(DocumentLoaderTest, ClientPendingRequestCompleteFullLoader) {
-  MockClient client;
-  client.SetCanUsePartialLoading();
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  loader.RequestData(1000, 4000);
-
-  EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-  Mock::VerifyAndClear(&client);
-}
-
-TEST_F(DocumentLoaderTest, ClientPendingRequestCompletePartialLoader) {
-  MockClient client;
-  client.SetCanUsePartialLoading();
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
-  loader.RequestData(15 * DocumentLoader::kDefaultRequestSize + 4000, 4000);
-
-  // Always send initial data from FullPageLoader.
-  client.full_page_loader_data()->CallReadCallback(
-      DocumentLoader::kDefaultRequestSize);
-
-  client.SendAllPartialData();
-  Mock::VerifyAndClear(&client);
-}
-
-TEST_F(DocumentLoaderTest, ClientPendingRequestCompletePartialAndFullLoader) {
-  MockClient client;
-  client.SetCanUsePartialLoading();
-  DocumentLoader loader(&client);
-  loader.Init(client.CreateFullPageLoader(), "http://url.com");
-
-  EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
-  loader.RequestData(16 * DocumentLoader::kDefaultRequestSize + 4000, 4000);
-  loader.RequestData(4 * DocumentLoader::kDefaultRequestSize + 4000, 4000);
-
-  for (int i = 0; i < 5; ++i) {
-    client.full_page_loader_data()->CallReadCallback(
-        DocumentLoader::kDefaultRequestSize);
-  }
-
-  Mock::VerifyAndClear(&client);
-
-  EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
-  client.SendAllPartialData();
-  Mock::VerifyAndClear(&client);
-}
-
-}  // namespace chrome_pdf