Inconsistent use of [x] close panel icon. Code changes.

chrome/browser/ui/gtk/custom_button.h

Index: chrome/browser/ui/gtk/custom_button.h
diff --git a/chrome/browser/ui/gtk/custom_button.h b/chrome/browser/ui/gtk/custom_button.h
index cf9b07606f821e905a551286783d9205d19dff34..c10ba1ebbbd0fcaad9903d7fe8e29fc8df0b3ddf 100644
--- a/chrome/browser/ui/gtk/custom_button.h
+++ b/chrome/browser/ui/gtk/custom_button.h
@@ -197,9 +197,14 @@ class CustomDrawButton : public content::NotificationObserver {
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
-  // Returns a standard close button. Pass a |theme_provider| to use Gtk icons
-  // in Gtk rendering mode.
-  static CustomDrawButton* CloseButton(GtkThemeService* theme_provider);
+  // Returns a standard close button used for infobars and shelves (smaller
+  // with red hover).
+  // Pass a |theme_provider| to use Gtk icons in Gtk rendering mode.
+  static CustomDrawButton* CloseButtonBar(GtkThemeService* theme_provider);
+
+  // Returns a standard close button used for bubbles (larger).
+  // Pass a |theme_provider| to use Gtk icons in Gtk rendering mode.
+  static CustomDrawButton* CloseButtonBubble(GtkThemeService* theme_provider);
 
  private:
   // Sets the button to themed or not.