Let ImeAdapterAndroid have the same lifecycle as its Java peer

content/browser/android/content_view_core_impl.h

Index: content/browser/android/content_view_core_impl.h
diff --git a/content/browser/android/content_view_core_impl.h b/content/browser/android/content_view_core_impl.h
index 79393db2a97564206f0dffd9e24880d78dbd962b..9dbda85f5b3b8dfee7847f62b8ebfd0610215bce 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -171,8 +171,6 @@ class ContentViewCoreImpl : public ContentViewCore,
       const base::android::JavaParamRef<jobject>& obj,
       jboolean enabled);
 
-  long GetNativeImeAdapter(JNIEnv* env,
-                           const base::android::JavaParamRef<jobject>& obj);
   void SetFocus(JNIEnv* env,
                 const base::android::JavaParamRef<jobject>& obj,
                 jboolean focused);
@@ -265,9 +263,7 @@ class ContentViewCoreImpl : public ContentViewCore,
                        bool is_mobile_optimized_hint,
                        const gfx::SelectionBound& selection_start);
 
-  void ForceUpdateImeAdapter(long native_ime_adapter);
-  void UpdateImeAdapter(long native_ime_adapter,
-                        int text_input_type,
+  void UpdateImeAdapter(int text_input_type,
                         int text_input_flags,
                         int text_input_mode,
                         const std::string& text,