Revert "Plumb composition character bounds from C++ to Java"

content/browser/renderer_host/ime_adapter_android.h

Index: content/browser/renderer_host/ime_adapter_android.h
diff --git a/content/browser/renderer_host/ime_adapter_android.h b/content/browser/renderer_host/ime_adapter_android.h
index 50e9dbfa89d9effdbb08f1f481e5d6eb92734c04..1621811f02ca365b4ebdc79b9302b5afc66e170e 100644
--- a/content/browser/renderer_host/ime_adapter_android.h
+++ b/content/browser/renderer_host/ime_adapter_android.h
@@ -7,10 +7,7 @@
 
 #include <jni.h>
 
-#include <vector>
-
 #include "base/android/jni_weak_ref.h"
-#include "ui/gfx/geometry/rect.h"
 
 namespace content {
 
@@ -67,7 +64,6 @@ class ImeAdapterAndroid {
   // Called from native -> java
   void CancelComposition();
   void FocusedNodeChanged(bool is_editable_node);
-  void SetCharacterBounds(const std::vector<gfx::Rect>& rects);
 
  private:
   RenderWidgetHostImpl* GetRenderWidgetHostImpl();