android_webview: Let AwContents manage TouchHandleDrawable

android_webview/native/aw_contents.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 #define ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 
 #include <jni.h>
 
 #include <list>
@@ skipping 262 matching lines @@
   void OnNewPicture() override;
   gfx::Point GetLocationOnScreen() override;
   void ScrollContainerViewTo(const gfx::Vector2d& new_value) override;
   void UpdateScrollState(const gfx::Vector2d& max_scroll_offset,
                          const gfx::SizeF& contents_size_dip,
                          float page_scale_factor,
                          float min_page_scale_factor,
                          float max_page_scale_factor) override;
   void DidOverscroll(const gfx::Vector2d& overscroll_delta,
                      const gfx::Vector2dF& overscroll_velocity) override;
+  ui::TouchHandleDrawable* CreateDrawable() override;
+  void DestroyAllDrawables() override;
 
   void ClearCache(JNIEnv* env,
                   const base::android::JavaParamRef<jobject>& obj,
                   jboolean include_disk_files);
   void SetPendingWebContentsForPopup(
       std::unique_ptr<content::WebContents> pending);
   jlong ReleasePopupAwContents(JNIEnv* env,
                                const base::android::JavaParamRef<jobject>& obj);
 
   void ScrollTo(JNIEnv* env,
@@ skipping 81 matching lines @@
   GLViewRendererManager::Key renderer_manager_key_;
 
   DISALLOW_COPY_AND_ASSIGN(AwContents);
 };
 
 bool RegisterAwContents(JNIEnv* env);
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_