ChromeOS: Support opening files with apps from the downloads page.

chrome/browser/chromeos/extensions/file_manager/file_browser_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/chromeos/extensions/file_manager/file_browser_private_api.h"
 
 #include <sys/stat.h>
 #include <sys/statvfs.h>
 #include <sys/types.h>
 #include <utime.h>
@@ skipping 52 matching lines @@
 #include "chromeos/disks/disk_mount_manager.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/storage_partition.h"
 #include "googleurl/src/gurl.h"
 #include "grit/app_locale_settings.h"
 #include "grit/generated_resources.h"
 #include "grit/platform_locale_settings.h"
 #include "net/base/escape.h"
-#include "net/base/mime_util.h"
 #include "net/base/network_change_notifier.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/shell_dialogs/selected_file_info.h"
 #include "ui/webui/web_ui_util.h"
 #include "webkit/chromeos/fileapi/cros_mount_point_provider.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_file_util.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/fileapi/file_system_url.h"
@@ skipping 306 matching lines @@
                             file_specific_info.is_hosted_document());
 
   property_dict->SetString("contentMimeType",
                            file_specific_info.content_mime_type());
 }
 
 void GetMimeTypesForFileURLs(const std::vector<base::FilePath>& file_paths,
                              PathAndMimeTypeSet* files) {
   for (std::vector<base::FilePath>::const_iterator iter = file_paths.begin();
        iter != file_paths.end(); ++iter) {
-    const base::FilePath::StringType file_extension =
-        StringToLowerASCII(iter->Extension());
-
-    // TODO(thorogood): Rearchitect this call so it can run on the File thread;
-    // GetMimeTypeFromFile requires this on Linux. Right now, we use
-    // Chrome-level knowledge only.
-    std::string mime_type;
-    if (file_extension.empty() ||
-        !net::GetWellKnownMimeTypeFromExtension(file_extension.substr(1),
-                                                &mime_type)) {
-      // If the file doesn't have an extension or its mime-type cannot be
-      // determined, then indicate that it has the empty mime-type. This will
-      // only be matched if the Web Intents accepts "*" or "*/*".
-      files->insert(std::make_pair(*iter, ""));
-    } else {
-      files->insert(std::make_pair(*iter, mime_type));
-    }
+    files->insert(
+        std::make_pair(*iter, file_manager_util::GetMimeTypeForPath(*iter)));
   }
 }
 
 // Retrieves the maximum file name length of the file system of |path|.
 // Returns 0 if it could not be queried.
 size_t GetFileNameMaxLengthOnBlockingPool(const std::string& path) {
   struct statvfs stat = {};
   if (statvfs(path.c_str(), &stat) != 0) {
     // The filesystem seems not supporting statvfs(). Assume it to be a commonly
     // used bound 255, and log the failure.
@@ skipping 2726 matching lines @@
 OpenNewWindowFunction::OpenNewWindowFunction() {}
 
 OpenNewWindowFunction::~OpenNewWindowFunction() {}
 
 bool OpenNewWindowFunction::RunImpl() {
   std::string url;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &url));
   file_manager_util::OpenNewWindow(profile_, GURL(url));
   return true;
 }