[HTerm-Crosh] Add key shortcut for opening Crosh on ChromeOS Aura.

chrome/browser/extensions/api/terminal/terminal_extension_helper.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/browser/extensions/api/terminal/terminal_extension_helper.h"
+
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/profiles/profile.h"
+
+namespace {
+
+const char* kAllowedExtensionIds[] = {
+    // Keep officail app first, so GetTerminalExtensionID checks it first.
+    "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App
+    "okddffdblfhhnmhodogpojmfkjmhinfp",  // test SSH/Crosh Client
+};
+
+const char kExtensionSchema[] = "chrome-extension://";
+const char kCroshExtensionEntryPoint[] = "/html/crosh.html";
+
+}  // namespace
+
+// Allow component and whitelisted extensions.
+bool TerminalExtensionHelper::AllowAccessToExtension(Profile* profile,
+    const std::string& extension_id) {
+  ExtensionService* service = profile->GetExtensionService();
+  const Extension* extension = service->GetExtensionById(extension_id, false);
+
+  if (!extension)
+    return false;
+
+  if (extension->location() == Extension::COMPONENT)
+    return true;
+
+  for (size_t i = 0; i < arraysize(kAllowedExtensionIds); i++) {
+    if (extension->id() == kAllowedExtensionIds[i])
+      return true;
+  }
+  return false;
+}
+
+GURL TerminalExtensionHelper::GetCroshExtensionURL(Profile* profile) {
+  const char* extension_id = GetTerminalExtensionId(profile);
+  if (!extension_id)
+    return GURL();
+
+  std::string crosh_url_str(kExtensionSchema);
+  crosh_url_str.append(extension_id);
+  crosh_url_str.append(kCroshExtensionEntryPoint);
+  return GURL(crosh_url_str);
+}
+
+const char* TerminalExtensionHelper::GetTerminalExtensionId(Profile* profile) {
+  ExtensionService* service = profile->GetExtensionService();
+  for (size_t i = 0; i < arraysize(kAllowedExtensionIds); i++) {
+    if (service->GetExtensionById(kAllowedExtensionIds[i], false) != 0)
+      return kAllowedExtensionIds[i];
+  }
+  return NULL;
+}