Allow resizing a panel using chrome.windows.update() extension API.

chrome/browser/ui/panels/panel_manager.cc

Index: chrome/browser/ui/panels/panel_manager.cc
diff --git a/chrome/browser/ui/panels/panel_manager.cc b/chrome/browser/ui/panels/panel_manager.cc
index e802f18c85e464a0ce63de0d0bdaab88f934399a..291d0c79af0c53c4273966fee1f9ef54e1f83abd 100644
--- a/chrome/browser/ui/panels/panel_manager.cc
+++ b/chrome/browser/ui/panels/panel_manager.cc
@@ -199,10 +199,11 @@ void PanelManager::OnPreferredWindowSizeChanged(
 void PanelManager::ResizePanel(Panel* panel, const gfx::Size& new_size) {
   // Explicit resizing is not allowed for auto-resizable panels for now.
   // http://crbug.com/109343
-  if (panel->auto_resizable())
+  if (panel->auto_resizable()) {
+    LOG(INFO) << "Resizing auto-resizable Panels is not supported yet.";
     return;
+  }
   panel_strip_->OnWindowSizeChanged(panel, new_size);
-
 }
 
 bool PanelManager::ShouldBringUpTitlebars(int mouse_x, int mouse_y) const {