file_manager: Fix a bug where hosted documents could not be opened without active browser window.

chrome/browser/chromeos/extensions/file_manager/file_browser_handlers.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/chromeos/extensions/file_manager/file_browser_handlers.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/i18n/case_conversion.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 461 matching lines @@
           (action_id == "view-pdf" ||
            action_id == "view-swf" ||
            action_id == "view-in-browser" ||
            action_id == "install-crx" ||
            action_id == "open-hosted-generic" ||
            action_id == "open-hosted-gdoc" ||
            action_id == "open-hosted-gsheet" ||
            action_id == "open-hosted-gslides"));
 }
 
-// Opens the files specified by |file_urls| with the browser. |profile| is
-// used for finding an active browser. Returns true on success. It's a
-// failure if no files are opened.
+// Opens the files specified by |file_urls| with the browser for |profile|.
+// Returns true on success. It's a failure if no files are opened.
 bool OpenFilesWithBrowser(Profile* profile,
                           const std::vector<FileSystemURL>& file_urls) {
-  Browser* browser = chrome::FindLastActiveWithProfile(
-      profile,
-      chrome::HOST_DESKTOP_TYPE_ASH);
-  if (!browser)
-    return false;
-
   int num_opened = 0;
   for (size_t i = 0; i < file_urls.size(); ++i) {
     const FileSystemURL& file_url = file_urls[i];
     if (chromeos::FileSystemBackend::CanHandleURL(file_url)) {
       const base::FilePath& file_path = file_url.path();
-      num_opened += util::OpenFileWithBrowser(browser, file_path);
+      num_opened += util::OpenFileWithBrowser(profile, file_path);
     }
   }
   return num_opened > 0;
 }
 
 }  // namespace
 
 bool ExecuteFileBrowserHandler(
     Profile* profile,
     const Extension* extension,
@@ skipping 147 matching lines @@
   }
 
   // If there are no default handlers, use first handler in the list (file
   // manager does the same in this situation).  TODO(tbarzic): This is not so
   // optimal behaviour.
   return *common_handlers.begin();
 }
 
 }  // namespace file_browser_handlers
 }  // namespace file_manager