Route OnDragEvent through ViewAndroid tree

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 dfbafadc250db64a53d79091d8afc017db84ebfc..51de3a2682a454ff758ad7a166ff755cc1a085d5 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -219,19 +219,6 @@ class ContentViewCoreImpl : public ContentViewCore,
                            const base::android::JavaParamRef<jobject>& jobj,
                            jboolean opaque);
 
-  bool IsTouchDragDropEnabled(JNIEnv* env,
-                              const base::android::JavaParamRef<jobject>& jobj);
-
-  void OnDragEvent(JNIEnv* env,
-                   const base::android::JavaParamRef<jobject>& jobj,
-                   jint action,
-                   jint x,
-                   jint y,
-                   jint screen_x,
-                   jint screen_y,
-                   const base::android::JavaParamRef<jobjectArray>& j_mimeTypes,
-                   const base::android::JavaParamRef<jstring>& j_content);
-
   jint GetCurrentRenderProcessId(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj);