Made full tab file browser to open automatically when a new disk device is properly mounted.

chrome/browser/ui/views/file_manager_dialogs.cc

Index: chrome/browser/ui/views/file_manager_dialogs.cc
===================================================================
--- chrome/browser/ui/views/file_manager_dialogs.cc	(revision 81745)
+++ chrome/browser/ui/views/file_manager_dialogs.cc	(working copy)
@@ -8,6 +8,7 @@
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_file_browser_private_api.h"
+#include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_dialogs.h"
@@ -34,6 +35,9 @@
   // Helper to convert numeric dialog type to a string.
   static std::string GetDialogTypeAsString(Type dialog_type);
 
+  static void ShowFullTabUrl(Profile* profile,
+                             const FilePath& default_path);
+
   // Help to convert potential dialog arguments into json.
   static std::string GetArgumentsJson(
       Type type,
@@ -66,7 +70,6 @@
   }
 
   // SelectFileDialog implementation.
-
   virtual void SelectFile(Type type,
                           const string16& title,
                           const FilePath& default_path,
@@ -177,6 +180,21 @@
   listener_ = listener;
 }
 
+void FileManagerDialog::ShowFullTabUrl(Profile* profile,
+                                       const FilePath& default_path) {
+  std::string json = GetArgumentsJson(SELECT_NONE, string16(), default_path,
+      NULL, 0, FilePath::StringType());
+  GURL url(s_extension_base_url_ + "?" +
+           UrlEncodeStringWithoutEncodingSpaceAsPlus(json));
+  Browser* browser = BrowserList::GetLastActive();
+  if (!browser)
+    return;
+
+  UserMetrics::RecordAction(UserMetricsAction("ShowFileBrowserFullTab"),
+                            profile);
+  browser->ShowSingletonTab(GURL(url));
+}
+
 void FileManagerDialog::SelectFile(
     Type type,
     const string16& title,
@@ -259,6 +277,7 @@
   DictionaryValue arg_value;
   arg_value.SetString("type", GetDialogTypeAsString(type));
   arg_value.SetString("title", title);
+  // TODO(zelidrag): Convert local system path into virtual path for File API.
   arg_value.SetString("defaultPath", default_path.value());
   arg_value.SetString("defaultExtension", default_extension);