Remove VectorIconId references from the codebase

ash/system/palette/palette_tool_manager.h

Index: ash/system/palette/palette_tool_manager.h
diff --git a/ash/system/palette/palette_tool_manager.h b/ash/system/palette/palette_tool_manager.h
index e21addde94ecad2819cdc1825715ea455d76b735..a45d6a4b462bf6e1b3e3033485250a8bc2b2f0cc 100644
--- a/ash/system/palette/palette_tool_manager.h
+++ b/ash/system/palette/palette_tool_manager.h
@@ -82,8 +82,8 @@ class ASH_EXPORT PaletteToolManager : public PaletteTool::Delegate {
   // Returns the active tool for the given group.
   PaletteToolId GetActiveTool(PaletteGroup group);
 
-  // Fetch the active tray icon for the given tool. Returns
-  // gfx::VectorIconId::VECTOR_ICON_NONE if not available.
+  // Fetch the active tray icon for the given tool. Returns gfx::kNoneIcon if

[Evan Stade, 2017/06/06 21:28:57]

nit: returns an empty icon (not necessarily kNoneIcon but is_empty() should be
true)

[tdanderson, 2017/06/07 15:55:55]

Done.

+  // not available.
   const gfx::VectorIcon& GetActiveTrayIcon(PaletteToolId tool_id) const;
 
   // Create views for all of the registered tools.