[win] Add a progress bar in the app launcher for app installs.

chrome/browser/extensions/api/webstore_private/webstore_private_api.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/webstore_private/webstore_private_api.h"
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 450 matching lines @@
   UpdateIsAppLauncherEnabled(base::Bind(
       &CompleteInstallFunction::OnGetAppLauncherEnabled, this,
       approval_->extension_id));
 }
 
 void CompleteInstallFunction::OnGetAppLauncherEnabled(
     std::string id,
     bool app_launcher_enabled) {
   if (app_launcher_enabled) {
     std::string name;
-    DCHECK(approval_->parsed_manifest->GetString(extension_manifest_keys::kName,
-                                                &name));
 #if defined(ENABLE_APP_LIST)
+    if (!approval_->parsed_manifest->GetString(extension_manifest_keys::kName,
+                                               &name)) {
+      NOTREACHED();
+    }
     // Tell the app list about the install that we just started.
     chrome::NotifyAppListOfBeginExtensionInstall(
         profile(), id, name, approval_->installing_icon);
 #endif
   }
 
   // The extension will install through the normal extension install flow, but
   // the whitelist entry will bypass the normal permissions install dialog.
   scoped_refptr<WebstoreInstaller> installer = new WebstoreInstaller(
       profile(), this,
@@ skipping 22 matching lines @@
         id, error, reason);
   }
 
   error_ = error;
   SendResponse(false);
 
   // Matches the AddRef in RunImpl().
   Release();
 }
 
+void CompleteInstallFunction::OnExtensionDownloadProgress(
+    const std::string& id,
+    content::DownloadItem* item) {
+#if defined(ENABLE_APP_LIST)
+  chrome::NotifyAppListOfDownloadProgress(profile(), id,
+                                          item->PercentComplete());
+#endif
+}
 
 bool GetBrowserLoginFunction::RunImpl() {
   SetResult(CreateLoginResult(profile_->GetOriginalProfile()));
   return true;
 }
 
 bool GetStoreLoginFunction::RunImpl() {
   ExtensionService* service =
       extensions::ExtensionSystem::Get(profile_)->extension_service();
   ExtensionPrefs* prefs = service->extension_prefs();
@@ skipping 45 matching lines @@
       &GetIsLauncherEnabledFunction::OnIsLauncherCheckCompleted, this));
   return true;
 }
 
 void GetIsLauncherEnabledFunction::OnIsLauncherCheckCompleted(bool is_enabled) {
   SetResult(Value::CreateBooleanValue(is_enabled));
   SendResponse(true);
 }
 
 }  // namespace extensions