Revert of Makes MaterialDesignController initialization explicit

ui/base/material_design/material_design_controller.h

Index: ui/base/material_design/material_design_controller.h
diff --git a/ui/base/material_design/material_design_controller.h b/ui/base/material_design/material_design_controller.h
index e105044b628ce36086f7abab977598072229304d..9ef61c0c4e546250afeb927a3f1c9a4c39c5673c 100644
--- a/ui/base/material_design/material_design_controller.h
+++ b/ui/base/material_design/material_design_controller.h
@@ -28,9 +28,6 @@
     MATERIAL_HYBRID = 2
   };
 
-  // Initializes |mode_|. Must be called before checking |mode_|.
-  static void Initialize();
-
   // Get the current Mode that should be used by the system.
   static Mode GetMode();
 
@@ -54,6 +51,9 @@
   MaterialDesignController();
   ~MaterialDesignController();
 
+  // Initializes |mode_|.
+  static void InitializeMode();
+
   // Resets the Mode state to uninitialized. To be used by tests to cleanup
   // global state.
   static void UninitializeMode();