Implement M SDK Android accessibility actions

content/browser/accessibility/browser_accessibility_manager_android.h

 // Copyright 2013 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 CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_ANDROID_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_ANDROID_H_
 
 #include <stdint.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 136 matching lines @@
                          const base::android::JavaParamRef<jstring>& value);
   void SetSelection(JNIEnv* env,
                     const base::android::JavaParamRef<jobject>& obj,
                     jint id,
                     jint start,
                     jint end);
   jboolean AdjustSlider(JNIEnv* env,
                         const base::android::JavaParamRef<jobject>& obj,
                         jint id,
                         jboolean increment);
+  void ShowContextMenu(JNIEnv* env,
+                       const base::android::JavaParamRef<jobject>& obj,
+                       jint id);
 
   // Return the id of the next node in tree order in the direction given by
   // |forwards|, starting with |start_id|, that matches |element_type|,
   // where |element_type| is a special uppercase string from TalkBack or
   // BrailleBack indicating general categories of web content like
   // "SECTION" or "CONTROL".  Return 0 if not found.
   jint FindElementType(JNIEnv* env,
                        const base::android::JavaParamRef<jobject>& obj,
                        jint start_id,
                        const base::android::JavaParamRef<jstring>& element_type,
@@ skipping 90 matching lines @@
   bool prune_tree_for_screen_reader_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerAndroid);
 };
 
 bool RegisterBrowserAccessibilityManager(JNIEnv* env);
 
 }
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_ANDROID_H_