Files.app: Fixed the problem that dialog opened by Ctrl+O cannot be expand.

chrome/browser/ui/views/extensions/extension_dialog.cc

Index: chrome/browser/ui/views/extensions/extension_dialog.cc
diff --git a/chrome/browser/ui/views/extensions/extension_dialog.cc b/chrome/browser/ui/views/extensions/extension_dialog.cc
index d8b74ae02e5637027142a2f7bee71ef526967e7d..b5a1226b5ebdffc6270910e34ad88817f226ed63 100644
--- a/chrome/browser/ui/views/extensions/extension_dialog.cc
+++ b/chrome/browser/ui/views/extensions/extension_dialog.cc
@@ -57,9 +57,14 @@ ExtensionDialog* ExtensionDialog::Show(
     WebContents* web_contents,
     int width,
     int height,
+    int min_width,
+    int min_height,
     const string16& title,
     ExtensionDialogObserver* observer) {
   extensions::ExtensionHost* host = CreateExtensionHost(url, profile);
+  // Preferred size must be set before views::Widget::CreateWindowWithParent
+  // is called because CreateWindowWithParent refers the result of CanResize().
+  host->view()->SetPreferredSize(gfx::Size(min_width, min_height));
   if (!host)
     return NULL;
   host->SetAssociatedWebContents(web_contents);