Revert 232547 "Pepper: Move FileIO host from renderer to browser."

trunk/src/chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 191 matching lines @@
   // Treat CDM invocations like JavaScript.
   if (plugin.name == ASCIIToUTF16(kWidevineCdmDisplayName)) {
     DCHECK(plugin.type == WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS);
     return true;
   }
 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
 
   return false;
 }
 
+#if defined(ENABLE_PLUGINS)
+const char* kPredefinedAllowedFileHandleOrigins[] = {
+  "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
+  "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
+};
+#endif
+
 }  // namespace
 
 namespace chrome {
 
 ChromeContentRendererClient::ChromeContentRendererClient() {
   g_current_client = this;
+
+#if defined(ENABLE_PLUGINS)
+  for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
+    allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
+#endif
 }
 
 ChromeContentRendererClient::~ChromeContentRendererClient() {
   g_current_client = NULL;
 }
 
 void ChromeContentRendererClient::RenderThreadStarted() {
   RenderThread* thread = RenderThread::Get();
 
   chrome_observer_.reset(new ChromeRenderProcessObserver(this));
@@ skipping 1060 matching lines @@
 }
 
 bool ChromeContentRendererClient::IsExternalPepperPlugin(
     const std::string& module_name) {
   // TODO(bbudge) remove this when the trusted NaCl plugin has been removed.
   // We must defer certain plugin events for NaCl instances since we switch
   // from the in-process to the out-of-process proxy after instantiating them.
   return module_name == "Native Client";
 }
 
+bool ChromeContentRendererClient::IsPluginAllowedToCallRequestOSFileHandle(
+    WebKit::WebPluginContainer* container) {
+#if defined(ENABLE_PLUGINS)
+  if (!container)
+    return false;
+  GURL url = container->element().document().baseURL();
+  const ExtensionSet* extension_set = extension_dispatcher_->extensions();
+
+  return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
+                                              allowed_file_handle_origins_) ||
+         IsHostAllowedByCommandLine(url, extension_set,
+                                    switches::kAllowNaClFileHandleAPI);
+#else
+  return false;
+#endif
+}
+
 WebKit::WebSpeechSynthesizer*
 ChromeContentRendererClient::OverrideSpeechSynthesizer(
     WebKit::WebSpeechSynthesizerClient* client) {
   return new TtsDispatcher(client);
 }
 
 bool ChromeContentRendererClient::AllowBrowserPlugin(
     WebKit::WebPluginContainer* container) {
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableBrowserPluginForAllViewTypes))
@@ skipping 61 matching lines @@
 }
 
 WebKit::WebWorkerPermissionClientProxy*
 ChromeContentRendererClient::CreateWorkerPermissionClientProxy(
     content::RenderView* render_view,
     WebKit::WebFrame* frame) {
   return new WorkerPermissionClientProxy(render_view, frame);
 }
 
 }  // namespace chrome