Remove PluginLoadObserver and related logic, it was only used for NPAPI.

content/child/npapi/plugin_stream_url.cc

-// Copyright (c) 2012 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 "content/child/npapi/plugin_stream_url.h"
-
-#include <algorithm>
-
-#include "base/stl_util.h"
-#include "base/strings/string_util.h"
-#include "content/child/npapi/plugin_host.h"
-#include "content/child/npapi/plugin_instance.h"
-#include "content/child/npapi/plugin_lib.h"
-#include "content/child/npapi/plugin_url_fetcher.h"
-#include "content/child/npapi/webplugin.h"
-#include "net/http/http_response_headers.h"
-
-namespace content {
-
-PluginStreamUrl::PluginStreamUrl(
-    unsigned long resource_id,
-    const GURL &url,
-    PluginInstance *instance,
-    bool notify_needed,
-    void *notify_data)
-    : PluginStream(instance, url.spec().c_str(), notify_needed, notify_data),
-      url_(url),
-      id_(resource_id) {
-}
-
-void PluginStreamUrl::SetPluginURLFetcher(PluginURLFetcher* fetcher) {
-  plugin_url_fetcher_.reset(fetcher);
-}
-
-void PluginStreamUrl::URLRedirectResponse(bool allow) {
-  if (plugin_url_fetcher_.get()) {
-    plugin_url_fetcher_->URLRedirectResponse(allow);
-  } else {
-    instance()->webplugin()->URLRedirectResponse(allow, id_);
-  }
-
-  if (allow)
-    UpdateUrl(pending_redirect_url_.c_str());
-}
-
-void PluginStreamUrl::FetchRange(const std::string& range) {
-  PluginURLFetcher* range_fetcher = new PluginURLFetcher(
-      this, url_, plugin_url_fetcher_->first_party_for_cookies(), "GET", NULL,
-      0, plugin_url_fetcher_->referrer(), range, false, false,
-      plugin_url_fetcher_->origin_pid(),
-      plugin_url_fetcher_->render_frame_id(),
-      plugin_url_fetcher_->render_view_id(), id_,
-      plugin_url_fetcher_->copy_stream_data());
-  range_request_fetchers_.push_back(range_fetcher);
-}
-
-bool PluginStreamUrl::Close(NPReason reason) {
-  // Protect the stream against it being destroyed or the whole plugin instance
-  // being destroyed within the destroy stream handler.
-  scoped_refptr<PluginStream> protect(this);
-  CancelRequest();
-  bool result = PluginStream::Close(reason);
-  instance()->RemoveStream(this);
-  return result;
-}
-
-WebPluginResourceClient* PluginStreamUrl::AsResourceClient() {
-  return static_cast<WebPluginResourceClient*>(this);
-}
-
-void PluginStreamUrl::CancelRequest() {
-  if (id_ > 0) {
-    if (plugin_url_fetcher_.get()) {
-      plugin_url_fetcher_->Cancel();
-    } else {
-      if (instance()->webplugin()) {
-        instance()->webplugin()->CancelResource(id_);
-      }
-    }
-    id_ = 0;
-  }
-  if (instance()->webplugin()) {
-    for (size_t i = 0; i < range_requests_.size(); ++i)
-      instance()->webplugin()->CancelResource(range_requests_[i]);
-  }
-
-  range_requests_.clear();
-
-  STLDeleteElements(&range_request_fetchers_);
-}
-
-void PluginStreamUrl::WillSendRequest(const GURL& url, int http_status_code) {
-  if (notify_needed()) {
-    // If the plugin participates in HTTP url redirect handling then notify it.
-    if (net::HttpResponseHeaders::IsRedirectResponseCode(http_status_code) &&
-        instance()->handles_url_redirects()) {
-      pending_redirect_url_ = url.spec();
-      instance()->NPP_URLRedirectNotify(url.spec().c_str(), http_status_code,
-          notify_data());
-      return;
-    }
-  }
-  url_ = url;
-  UpdateUrl(url.spec().c_str());
-}
-
-void PluginStreamUrl::DidReceiveResponse(const std::string& mime_type,
-                                         const std::string& headers,
-                                         uint32 expected_length,
-                                         uint32 last_modified,
-                                         bool request_is_seekable) {
-  // Protect the stream against it being destroyed or the whole plugin instance
-  // being destroyed within the new stream handler.
-  scoped_refptr<PluginStream> protect(this);
-
-  bool opened = Open(mime_type,
-                     headers,
-                     expected_length,
-                     last_modified,
-                     request_is_seekable);
-  if (!opened) {
-    CancelRequest();
-    instance()->RemoveStream(this);
-  } else {
-    SetDeferLoading(false);
-  }
-}
-
-void PluginStreamUrl::DidReceiveData(const char* buffer, int length,
-                                     int data_offset) {
-  if (!open())
-    return;
-
-  // Protect the stream against it being destroyed or the whole plugin instance
-  // being destroyed within the write handlers
-  scoped_refptr<PluginStream> protect(this);
-
-  if (length > 0) {
-    // The PluginStreamUrl instance could get deleted if the plugin fails to
-    // accept data in NPP_Write.
-    if (Write(const_cast<char*>(buffer), length, data_offset) > 0) {
-      SetDeferLoading(false);
-    }
-  }
-}
-
-void PluginStreamUrl::DidFinishLoading(unsigned long resource_id) {
-  if (!seekable()) {
-    Close(NPRES_DONE);
-  } else {
-    std::vector<unsigned long>::iterator it_resource = std::find(
-        range_requests_.begin(),
-        range_requests_.end(),
-        resource_id);
-    // Resource id must be known to us - either main resource id, or one
-    // of the resources, created for range requests.
-    DCHECK(resource_id == id_ || it_resource != range_requests_.end());
-    // We should notify the plugin about failed/finished requests to ensure
-    // that the number of active resource clients does not continue to grow.
-    if (instance()->webplugin())
-      instance()->webplugin()->CancelResource(resource_id);
-    if (it_resource != range_requests_.end())
-      range_requests_.erase(it_resource);
-  }
-}
-
-void PluginStreamUrl::DidFail(unsigned long resource_id) {
-  Close(NPRES_NETWORK_ERR);
-}
-
-bool PluginStreamUrl::IsMultiByteResponseExpected() {
-  return seekable();
-}
-
-int PluginStreamUrl::ResourceId() {
-  return id_;
-}
-
-PluginStreamUrl::~PluginStreamUrl() {
-  if (!plugin_url_fetcher_.get() && instance() && instance()->webplugin()) {
-    instance()->webplugin()->ResourceClientDeleted(AsResourceClient());
-  }
-
-  STLDeleteElements(&range_request_fetchers_);
-}
-
-void PluginStreamUrl::AddRangeRequestResourceId(unsigned long resource_id) {
-  DCHECK_NE(resource_id, 0u);
-  range_requests_.push_back(resource_id);
-}
-
-void PluginStreamUrl::SetDeferLoading(bool value) {
-  // If we determined that the request had failed via the HTTP headers in the
-  // response then we send out a failure notification to the plugin process, as
-  // certain plugins don't handle HTTP failure codes correctly.
-  if (plugin_url_fetcher_.get()) {
-    if (!value && plugin_url_fetcher_->pending_failure_notification()) {
-      // This object may be deleted now.
-      DidFail(id_);
-    }
-    return;
-  }
-  if (id_ > 0)
-    instance()->webplugin()->SetDeferResourceLoading(id_, value);
-  for (size_t i = 0; i < range_requests_.size(); ++i)
-    instance()->webplugin()->SetDeferResourceLoading(range_requests_[i],
-                                                     value);
-}
-
-void PluginStreamUrl::UpdateUrl(const char* url) {
-  DCHECK(!open());
-  free(const_cast<char*>(stream()->url));
-  stream()->url = base::strdup(url);
-  pending_redirect_url_.clear();
-}
-
-}  // namespace content