Drop ResourceLoader

third_party/WebKit/Source/core/fetch/ResourceLoader.cpp

Index: third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp b/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
deleted file mode 100644
index 5085721e81f06b478dd8247f3a6191cd55106163..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Copyright (C) 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
- *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "core/fetch/ResourceLoader.h"
-
-#include "core/fetch/CSSStyleSheetResource.h"
-#include "core/fetch/Resource.h"
-#include "core/fetch/ResourceFetcher.h"
-#include "platform/SharedBuffer.h"
-#include "platform/exported/WrappedResourceRequest.h"
-#include "platform/exported/WrappedResourceResponse.h"
-#include "platform/network/ResourceError.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebData.h"
-#include "public/platform/WebURLError.h"
-#include "public/platform/WebURLRequest.h"
-#include "public/platform/WebURLResponse.h"
-#include "wtf/Assertions.h"
-#include "wtf/CurrentTime.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
-
-namespace blink {
-
-ResourceLoader* ResourceLoader::create(ResourceFetcher* fetcher, Resource* resource)
-{
-    return new ResourceLoader(fetcher, resource);
-}
-
-ResourceLoader::ResourceLoader(ResourceFetcher* fetcher, Resource* resource)
-    : m_fetcher(fetcher)
-    , m_resource(resource)
-{
-    ASSERT(m_resource);
-    ASSERT(m_fetcher);
-    m_resource->setLoader(this);
-}
-
-ResourceLoader::~ResourceLoader()
-{
-    DCHECK(!m_loader);
-}
-
-DEFINE_TRACE(ResourceLoader)
-{
-    visitor->trace(m_fetcher);
-    visitor->trace(m_resource);
-}
-
-void ResourceLoader::start(const ResourceRequest& request, WebTaskRunner* loadingTaskRunner, bool defersLoading)
-{
-    ASSERT(!m_loader);
-    if (m_resource->options().synchronousPolicy == RequestSynchronously && defersLoading) {
-        cancel();
-        return;
-    }
-
-    m_loader = wrapUnique(Platform::current()->createURLLoader());
-    m_loader->setDefersLoading(defersLoading);
-    ASSERT(m_loader);
-    m_loader->setLoadingTaskRunner(loadingTaskRunner);
-
-    if (m_resource->options().synchronousPolicy == RequestSynchronously)
-        requestSynchronously(request);
-    else
-        m_loader->loadAsynchronously(WrappedResourceRequest(request), this);
-}
-
-void ResourceLoader::restartForServiceWorkerFallback(const ResourceRequest& request)
-{
-    m_loader.reset();
-    m_loader = wrapUnique(Platform::current()->createURLLoader());
-    DCHECK(m_loader);
-    m_loader->loadAsynchronously(WrappedResourceRequest(request), this);
-}
-
-void ResourceLoader::setDefersLoading(bool defers)
-{
-    ASSERT(m_loader);
-    m_loader->setDefersLoading(defers);
-}
-
-void ResourceLoader::didDownloadData(WebURLLoader*, int length, int encodedDataLength)
-{
-    m_fetcher->didDownloadData(m_resource.get(), length, encodedDataLength);
-    m_resource->didDownloadData(length);
-}
-
-void ResourceLoader::didChangePriority(ResourceLoadPriority loadPriority, int intraPriorityValue)
-{
-    if (m_loader)
-        m_loader->didChangePriority(static_cast<WebURLRequest::Priority>(loadPriority), intraPriorityValue);
-}
-
-void ResourceLoader::cancel()
-{
-    didFail(nullptr, ResourceError::cancelledError(m_resource->lastResourceRequest().url()));
-}
-
-void ResourceLoader::willFollowRedirect(WebURLLoader*, WebURLRequest& passedNewRequest, const WebURLResponse& passedRedirectResponse, int64_t encodedDataLength)
-{
-    ASSERT(!passedNewRequest.isNull());
-    ASSERT(!passedRedirectResponse.isNull());
-
-    ResourceRequest& newRequest(passedNewRequest.toMutableResourceRequest());
-    const ResourceResponse& redirectResponse(passedRedirectResponse.toResourceResponse());
-    newRequest.setRedirectStatus(ResourceRequest::RedirectStatus::FollowedRedirect);
-
-    if (m_fetcher->willFollowRedirect(m_resource.get(), newRequest, redirectResponse, encodedDataLength)) {
-        m_resource->willFollowRedirect(newRequest, redirectResponse);
-    } else {
-        m_resource->willNotFollowRedirect();
-        if (m_loader)
-            didFail(nullptr, ResourceError::cancelledDueToAccessCheckError(newRequest.url()));
-    }
-}
-
-void ResourceLoader::didReceiveCachedMetadata(WebURLLoader*, const char* data, int length)
-{
-    m_resource->setSerializedCachedMetadata(data, length);
-}
-
-void ResourceLoader::didSendData(WebURLLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
-{
-    m_resource->didSendData(bytesSent, totalBytesToBeSent);
-}
-
-void ResourceLoader::didReceiveResponse(WebURLLoader*, const WebURLResponse& response, WebDataConsumerHandle* handle)
-{
-    DCHECK(!response.isNull());
-    m_fetcher->didReceiveResponse(m_resource.get(), response.toResourceResponse(), handle);
-}
-
-void ResourceLoader::didReceiveResponse(WebURLLoader* loader, const WebURLResponse& response)
-{
-    didReceiveResponse(loader, response, nullptr);
-}
-
-void ResourceLoader::didReceiveData(WebURLLoader*, const char* data, int length, int encodedDataLength, int encodedBodyLength)
-{
-    RELEASE_ASSERT(length >= 0);
-    m_fetcher->didReceiveData(m_resource.get(), data, length, encodedDataLength);
-    m_resource->addToEncodedBodyLength(encodedBodyLength);
-    m_resource->addToDecodedBodyLength(length);
-    m_resource->appendData(data, length);
-}
-
-void ResourceLoader::didFinishLoadingFirstPartInMultipart()
-{
-    m_fetcher->didFinishLoading(m_resource.get(), 0, WebURLLoaderClient::kUnknownEncodedDataLength, ResourceFetcher::DidFinishFirstPartInMultipart);
-}
-
-void ResourceLoader::didFinishLoading(WebURLLoader*, double finishTime, int64_t encodedDataLength)
-{
-    m_loader.reset();
-    m_fetcher->didFinishLoading(m_resource.get(), finishTime, encodedDataLength, ResourceFetcher::DidFinishLoading);
-}
-
-void ResourceLoader::didFail(WebURLLoader*, const WebURLError& error)
-{
-    m_loader.reset();
-    m_fetcher->didFailLoading(m_resource.get(), error);
-}
-
-void ResourceLoader::requestSynchronously(const ResourceRequest& request)
-{
-    // downloadToFile is not supported for synchronous requests.
-    ASSERT(!request.downloadToFile());
-    ASSERT(m_loader);
-    DCHECK(request.priority() == ResourceLoadPriorityHighest);
-
-    WrappedResourceRequest requestIn(request);
-    WebURLResponse responseOut;
-    WebURLError errorOut;
-    WebData dataOut;
-    int64_t encodedDataLength = WebURLLoaderClient::kUnknownEncodedDataLength;
-    m_loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut, encodedDataLength);
-
-    // A message dispatched while synchronously fetching the resource
-    // can bring about the cancellation of this load.
-    if (!m_loader)
-        return;
-    if (errorOut.reason) {
-        didFail(0, errorOut);
-        return;
-    }
-    didReceiveResponse(0, responseOut);
-    if (!m_loader)
-        return;
-    DCHECK_GE(responseOut.toResourceResponse().encodedBodyLength(), 0);
-
-    // Follow the async case convention of not calling didReceiveData or
-    // appending data to m_resource if the response body is empty. Copying the
-    // empty buffer is a noop in most cases, but is destructive in the case of
-    // a 304, where it will overwrite the cached data we should be reusing.
-    if (dataOut.size()) {
-        m_fetcher->didReceiveData(m_resource.get(), dataOut.data(), dataOut.size(), encodedDataLength);
-        m_resource->setResourceBuffer(dataOut);
-    }
-    didFinishLoading(0, monotonicallyIncreasingTime(), encodedDataLength);
-}
-
-} // namespace blink