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

trunk/src/chrome/renderer/chrome_content_renderer_client.cc

Index: trunk/src/chrome/renderer/chrome_content_renderer_client.cc
===================================================================
--- trunk/src/chrome/renderer/chrome_content_renderer_client.cc	(revision 233010)
+++ trunk/src/chrome/renderer/chrome_content_renderer_client.cc	(working copy)
@@ -209,12 +209,24 @@
   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() {
@@ -1295,6 +1307,23 @@
   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) {