More pre-MD odds and ends.

extensions/browser/extension_icon_placeholder.cc

Index: extensions/browser/extension_icon_placeholder.cc
diff --git a/extensions/browser/extension_icon_placeholder.cc b/extensions/browser/extension_icon_placeholder.cc
index fc372864004694c19315af778e8637c49cbc501f..ead79cecec9d15aabcc8e1ef24ab2ae53cbb63ba 100644
--- a/extensions/browser/extension_icon_placeholder.cc
+++ b/extensions/browser/extension_icon_placeholder.cc
@@ -26,7 +26,6 @@ ui::ResourceBundle::FontStyle GetFontStyleForIconSize(
     case extension_misc::EXTENSION_ICON_INVALID:
     case extension_misc::EXTENSION_ICON_BITTY:
       return ui::ResourceBundle::SmallFont;
-    case extension_misc::EXTENSION_ICON_ACTION:
     case extension_misc::EXTENSION_ICON_SMALLISH:
     case extension_misc::EXTENSION_ICON_SMALL:
       return ui::ResourceBundle::MediumFont;
@@ -51,7 +50,6 @@ gfx::Image GetBackgroundImageForIconSize(extension_misc::ExtensionIcons size) {
   switch (size) {
     case extension_misc::EXTENSION_ICON_INVALID:
     case extension_misc::EXTENSION_ICON_BITTY:
-    case extension_misc::EXTENSION_ICON_ACTION:
     case extension_misc::EXTENSION_ICON_SMALLISH:
     case extension_misc::EXTENSION_ICON_SMALL:
       resource_id = IDR_EXTENSION_ACTION_PLAIN_BACKGROUND;