Revert of Split ui/base/ime into a new component

ui/base/ime/input_method_base.h

Index: ui/base/ime/input_method_base.h
diff --git a/ui/base/ime/input_method_base.h b/ui/base/ime/input_method_base.h
index ce76d405f3ba387e3adf877c589387e7c43064c3..4d732cdd0e4821ed8b3e19ffad4ceb09ec570235 100644
--- a/ui/base/ime/input_method_base.h
+++ b/ui/base/ime/input_method_base.h
@@ -10,7 +10,7 @@
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "ui/base/ime/input_method.h"
-#include "ui/base/ime/ui_base_ime_export.h"
+#include "ui/base/ui_base_export.h"
 
 namespace gfx {
 class Rect;
@@ -24,9 +24,9 @@
 
 // A helper class providing functionalities shared among ui::InputMethod
 // implementations.
-class UI_BASE_IME_EXPORT InputMethodBase
-    : NON_EXPORTED_BASE(public InputMethod),
-      public base::SupportsWeakPtr<InputMethodBase> {
+class UI_BASE_EXPORT InputMethodBase
+   : NON_EXPORTED_BASE(public InputMethod),
+     public base::SupportsWeakPtr<InputMethodBase> {
  public:
   InputMethodBase();
   ~InputMethodBase() override;