[FileBrowser] Added DefaultAction dialog to choose default action.

chrome/browser/chromeos/extensions/file_browser_private_api.cc

Index: chrome/browser/chromeos/extensions/file_browser_private_api.cc
diff --git a/chrome/browser/chromeos/extensions/file_browser_private_api.cc b/chrome/browser/chromeos/extensions/file_browser_private_api.cc
index 4f7bbe3cfc0c523fa82811c4357948a2ac3600aa..61826a44b65b33af77c8d3c11c010475568634d5 100644
--- a/chrome/browser/chromeos/extensions/file_browser_private_api.cc
+++ b/chrome/browser/chromeos/extensions/file_browser_private_api.cc
@@ -632,6 +632,27 @@ void ExecuteTasksFileBrowserFunction::OnTaskExecuted(bool success) {
   SendResponse(success);
 }
 
+SetDefaultTaskFileBrowserFunction::SetDefaultTaskFileBrowserFunction() {}
+
+SetDefaultTaskFileBrowserFunction::~SetDefaultTaskFileBrowserFunction() {}
+
+bool SetDefaultTaskFileBrowserFunction::RunImpl() {
+  // First param is task id that was to the extension with setDefaultTask call.
+  std::string task_id;
+  if (!args_->GetString(0, &task_id) || !task_id.size())
+    return false;
+
+  BrowserThread::PostTask(
+        BrowserThread::FILE, FROM_HERE,

[dgozman, 2012/05/22 14:55:27]

FILE -> UI

[Dmitry Zvorygin, 2012/05/22 15:11:10]

Done.

+        base::Bind(
+            &file_handler_util::UpdateFileHandlerUsageStats,
+            profile_, task_id));
+
+  result_.reset(new base::FundamentalValue(true));
+  SendResponse(true);
+  return true;
+}
+
 FileBrowserFunction::FileBrowserFunction() {
 }