Implement M SDK Android accessibility actions

content/browser/accessibility/browser_accessibility_manager_android.cc

Index: content/browser/accessibility/browser_accessibility_manager_android.cc
diff --git a/content/browser/accessibility/browser_accessibility_manager_android.cc b/content/browser/accessibility/browser_accessibility_manager_android.cc
index ad8e0dd2d3c4d94fd4c6ab5d63c63e06898ae065..4a772dd885885f2e2df792d62e186d2d35a3b874 100644
--- a/content/browser/accessibility/browser_accessibility_manager_android.cc
+++ b/content/browser/accessibility/browser_accessibility_manager_android.cc
@@ -694,6 +694,15 @@ jboolean BrowserAccessibilityManagerAndroid::AdjustSlider(
   return false;
 }
 
+void BrowserAccessibilityManagerAndroid::ShowContextMenu(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    jint id) {
+  BrowserAccessibilityAndroid* node = GetFromUniqueID(id);
+  if (node && node->manager()->delegate())
+    node->manager()->delegate()->AccessibilityShowContextMenu(node->GetId());
+}
+
 void BrowserAccessibilityManagerAndroid::HandleHoverEvent(
     BrowserAccessibility* node) {
   JNIEnv* env = AttachCurrentThread();