Fix extensions download when default download location is drive.

chrome/browser/extensions/webstore_installer.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/webstore_installer.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 20 matching lines @@
 #include "content/public/browser/download_save_info.h"
 #include "content/public/browser/download_url_parameters.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/escape.h"
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/gdata/gdata_util.h"
+#endif
+
 using content::BrowserContext;
 using content::BrowserThread;
 using content::DownloadId;
 using content::DownloadItem;
 using content::DownloadManager;
 using content::NavigationController;
 using content::DownloadUrlParameters;
 
 namespace {
 
@@ skipping 35 matching lines @@
       net::EscapeQueryParamValue(JoinString(params, '&'), true));
   DCHECK(url.is_valid());
 
   return url;
 }
 
 // Must be executed on the FILE thread.
 void GetDownloadFilePath(
     const FilePath& download_directory, const std::string& id,
     const base::Callback<void(const FilePath&)>& callback) {
-  const FilePath& directory(g_download_directory_for_tests ?
-      *g_download_directory_for_tests : download_directory);
+  FilePath directory(g_download_directory_for_tests ?
+                     *g_download_directory_for_tests : download_directory);
+
+#if defined (OS_CHROMEOS)
+  // Do not use drive for extension downloads.
+  if (gdata::util::IsUnderGDataMountPoint(directory))
+    directory = download_util::GetDefaultDownloadDirectory();
+#endif
 
   // Ensure the download directory exists. TODO(asargent) - make this use
   // common code from the downloads system.
   if (!file_util::DirectoryExists(directory)) {
     if (!file_util::CreateDirectory(directory)) {
       BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                               base::Bind(callback, FilePath()));
       return;
     }
   }
@@ skipping 233 matching lines @@
 }
 
 void WebstoreInstaller::ReportSuccess() {
   if (delegate_) {
     delegate_->OnExtensionInstallSuccess(id_);
     delegate_ = NULL;
   }
 
   Release();  // Balanced in Start().
 }