Added new fileBrowserPrivate and fileHandler extension APIs

chrome/renderer/extensions/event_bindings.cc

Index: chrome/renderer/extensions/event_bindings.cc
===================================================================
--- chrome/renderer/extensions/event_bindings.cc	(revision 81868)
+++ chrome/renderer/extensions/event_bindings.cc	(working copy)
@@ -85,6 +85,8 @@
       return v8::FunctionTemplate::New(AttachEvent);
     } else if (name->Equals(v8::String::New("DetachEvent"))) {
       return v8::FunctionTemplate::New(DetachEvent);
+    } else if (name->Equals(v8::String::New("GetExternalFileEntry"))) {
+      return v8::FunctionTemplate::New(GetExternalFileEntry);
     }
     return ExtensionBase::GetNativeFunction(name);
   }
@@ -148,6 +150,38 @@
 
     return v8::Undefined();
   }
+
+  // Attach an event name to an object.
+  static v8::Handle<v8::Value> GetExternalFileEntry(
+      const v8::Arguments& args) {
+  // TODO(zelidrag): Make this magic work on other platforms when file browser
+  // matures enough on ChromeOS.
+#if defined(OS_CHROMEOS)
+    DCHECK(args.Length() == 1);
+    DCHECK(args[0]->IsObject());
+    v8::Local<v8::Object> file_def = args[0]->ToObject();
+    std::string file_system_name(
+        *v8::String::Utf8Value(file_def->Get(
+            v8::String::New("fileSystemName"))));
+    std::string file_system_path(
+        *v8::String::Utf8Value(file_def->Get(
+            v8::String::New("fileSystemRoot"))));
+    std::string file_full_path(
+        *v8::String::Utf8Value(file_def->Get(
+            v8::String::New("fileFullPath"))));
+    bool is_directory =
+        file_def->Get(v8::String::New("fileIsDirectory"))->ToBoolean()->Value();
+    WebFrame* webframe = WebFrame::frameForCurrentContext();
+    return webframe->createFileEntry(
+        WebKit::WebFileSystem::TypeExternal,
+        WebKit::WebString::fromUTF8(file_system_name.c_str()),
+        WebKit::WebString::fromUTF8(file_system_path.c_str()),
+        WebKit::WebString::fromUTF8(file_full_path.c_str()),
+        is_directory);
+#else
+    return v8::Undefined();
+#endif
+  }
 };
 
 // Returns true if the extension running in the given |context| has sufficient