[chromedriver] Implement connecting to devtools and loading a page.

chrome/test/chromedriver/commands.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/test/chromedriver/commands.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/format_macros.h"
@@ skipping 60 matching lines @@
 }
 
 Status ExecuteQuit(
     SessionMap* session_map,
     Session* session,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
   CHECK(session_map->Remove(session->id));
   return session->chrome->Quit();
 }
+
+Status ExecuteGet(
+    Session* session,
+    const base::DictionaryValue& params,
+    scoped_ptr<base::Value>* value) {
+  std::string url;
+  if (!params.GetString("url", &url))
+    return Status(kUnknownError, "'url' must be a string");
+  return session->chrome->Load(url);
+}