Move the parsing of homepage_url" and "devtools_page" out of Extension.

chrome/browser/extensions/api/devtools/devtools_api.cc

Index: chrome/browser/extensions/api/devtools/devtools_api.cc
diff --git a/chrome/browser/extensions/api/devtools/devtools_api.cc b/chrome/browser/extensions/api/devtools/devtools_api.cc
new file mode 100644
index 0000000000000000000000000000000000000000..29d261bbe619b35d3b8c0143b35e534ab353682e
--- /dev/null
+++ b/chrome/browser/extensions/api/devtools/devtools_api.cc
@@ -0,0 +1,22 @@
+// 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/browser/extensions/api/devtools/devtools_api.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/extensions/api/devtools/devtools_page_handler.h"
+#include "chrome/common/extensions/extension_manifest_constants.h"
+#include "chrome/common/extensions/manifest_handler.h"
+
+namespace extensions {
+
+DevtoolsAPI::DevtoolsAPI(Profile* profile) {
+  ManifestHandler::Register(extension_manifest_keys::kDevToolsPage,
+                            new DevtoolsPageHandler);
+}
+
+DevtoolsAPI::~DevtoolsAPI() {
+}
+
+}  // namespace extensions