Prototype extension process. This is a proof of concept, with a lot of

rough edges.  Mostly this just fires up a renderer with an "extension" object
exposed, which right now only has a single method "getTestString".

I also did some misc cleanup along the way.
Review URL: http://codereview.chromium.org/27187

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10620 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 44 insertions, 0 deletions

diff --git a/chrome/renderer/extensions/extension_bindings.cc b/chrome/renderer/extensions/extension_bindings.cc
new file mode 100755
index 0000000..24c66d3
--- /dev/null
+++ b/chrome/renderer/extensions/extension_bindings.cc
@@ -0,0 +1,19 @@
+// Copyright (c) 2006-2008 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/extensions/extension_bindings.h"
+
+#include "base/values.h"
+#include "chrome/common/render_messages.h"
+
+#define BIND_METHOD(name) BindMethod(#name, &ExtensionBindings::name)
+ExtensionBindings::ExtensionBindings() {
+  BIND_METHOD(getTestString);
+}
+#undef BIND_METHOD
+
+void ExtensionBindings::getTestString(
+    const CppArgumentList& args, CppVariant* result) {
+  result->Set("This is a placeholder string.  It's here to hold places.");
+}
diff --git a/chrome/renderer/extensions/extension_bindings.h b/chrome/renderer/extensions/extension_bindings.h
new file mode 100755
index 0000000..a4b86cc
--- /dev/null
+++ b/chrome/renderer/extensions/extension_bindings.h
@@ -0,0 +1,25 @@
+// Copyright (c) 2006-2008 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.
+
+#ifndef CHROME_RENDERER_EXTENSIONS_EXTENSION_BINDINGS_H__
+#define CHROME_RENDERER_EXTENSIONS_EXTENSION_BINDINGS_H__
+
+#include "chrome/common/ipc_message.h"
+#include "chrome/renderer/dom_ui_bindings.h"
+
+// ExtensionBindings is the class backing the "extension" object
+// accessible from JavaScript.
+class ExtensionBindings : public DOMBoundBrowserObject {
+ public:
+  ExtensionBindings();
+  virtual ~ExtensionBindings() {}
+
+  // Methods exposed to JavaScript.
+  void getTestString(const CppArgumentList& args, CppVariant* result);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ExtensionBindings);
+};
+
+#endif  // CHROME_RENDERER_EXTENSIONS_EXTENSION_BINDINGS_H__