**NOTFORLANDING** New link rel=prerender API

content/renderer/renderer_webkitplatformsupport_impl.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/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/platform_file.h"
 #include "base/shared_memory.h"
 #include "base/utf_string_conversions.h"
 #include "content/common/database_util.h"
 #include "content/common/fileapi/webblobregistry_impl.h"
 #include "content/common/fileapi/webfilesystem_impl.h"
 #include "content/common/file_utilities_messages.h"
 #include "content/common/indexed_db/proxy_webidbfactory_impl.h"
 #include "content/common/mime_registry_messages.h"
 #include "content/common/npobject_util.h"
 #include "content/common/view_messages.h"
 #include "content/common/webmessageportchannel_impl.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/gpu_info.h"
+#include "content/public/common/referrer.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/media/audio_device.h"
 #include "content/renderer/media/audio_hardware.h"
 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/renderer_clipboard_client.h"
 #include "content/renderer/renderer_webstoragenamespace_impl.h"
 #include "content/renderer/websharedworkerrepository_impl.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebBlobRegistry.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGamepads.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKey.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyPath.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamCenter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamCenterClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPeerConnectionHandler.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPeerConnectionHandlerClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebRuntimeFeatures.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSerializedScriptValue.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageEventDispatcher.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebReferrerPolicy.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
 #include "webkit/glue/simple_webmimeregistry_impl.h"
 #include "webkit/glue/webclipboard_impl.h"
 #include "webkit/glue/webfileutilities_impl.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_WIN)
 #include "content/common/child_process_messages.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/win/WebSandboxSupport.h"
@@ skipping 190 matching lines @@
     const WebString& hostname) {
   if (hostname.isEmpty())
     return;
 
   std::string hostname_utf8;
   UTF16ToUTF8(hostname.data(), hostname.length(), &hostname_utf8);
   content::GetContentClient()->renderer()->PrefetchHostName(
       hostname_utf8.data(), hostname_utf8.length());
 }
 
+void RendererWebKitPlatformSupportImpl::newLinkPrerender(
+    int prerender_id,
+    WebKit::WebView* webView,
+    const WebKit::WebURL& url,
+    const WebKit::WebString& referrer,
+    WebKit::WebReferrerPolicy policy,
+    const WebKit::WebSize& size) {
+  RenderViewImpl* render_view = RenderViewImpl::FromWebView(webView);
+  const int render_view_route_id = render_view->GetRoutingID();
+  content::Referrer content_referrer(GURL(referrer), policy);
+  content::GetContentClient()->renderer()->NewLinkPrerender(
+      prerender_id, render_view_route_id, GURL(url), content_referrer, size);
+}
+
+void RendererWebKitPlatformSupportImpl::removedLinkPrerender(int prerender_id) {
+  content::GetContentClient()->renderer()->RemovedLinkPrerender(prerender_id);
+}
+
+void RendererWebKitPlatformSupportImpl::unloadedLinkPrerender(
+    int prerender_id) {
+  content::GetContentClient()->renderer()->UnloadedLinkPrerender(prerender_id);
+}
+
 bool
 RendererWebKitPlatformSupportImpl::CheckPreparsedJsCachingEnabled() const {
   static bool checked = false;
   static bool result = false;
   if (!checked) {
     const CommandLine& command_line = *CommandLine::ForCurrentProcess();
     result = command_line.HasSwitch(switches::kEnablePreparsedJsCaching);
     checked = true;
   }
   return result;
@@ skipping 421 matching lines @@
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
   return render_thread->CreateMediaStreamCenter(client);
 }
 
 GpuChannelHostFactory*
 RendererWebKitPlatformSupportImpl::GetGpuChannelHostFactory() {
   return RenderThreadImpl::current();
 }