[Android] Change items shown in context meanu for mailto link

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuItemDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuItemDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuItemDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuItemDelegate.java
index 802aa75771fcf195b9c054b3cd6dacc693816535..34df129290ea65c9d8922250f93d35ed4560214c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuItemDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuItemDelegate.java
@@ -97,6 +97,30 @@ public interface ContextMenuItemDelegate {
      */
     void onSaveToClipboard(String text, int clipboardType);
 
+    /**
+     * Returns whether or not an activity is available to handle intent to send email.
+     * @return true if an activity is available to handle intent to send email.
+     */
+    public boolean supportsSendEmailMessage();
+
+    /**
+     * Called when the {@code url} should be parsed to send an email.
+     * @param url The URL to be parsed to send an email.
+     */
+    void onSendMessage(String url);

[Ted C, 2017/01/04 18:40:08]

let's rename this to onSendEmailMessage to make it clearer and match
supportsSendEmailMessage above.

[ltian, 2017/01/04 20:46:58]

Done.

+
+    /**
+     * Returns whether or not an activity is available to handle intent to add contacts.
+     * @return true if an activity is available to handle intent to add contacts.
+     */
+    public boolean supportsAddToContacts();
+
+    /**
+     * Called when the {@code url} should be parsed to add to contacts.
+     * @param url The URL to be parsed to add to contacts.
+     */
+    void onAddToContacts(String url);
+
    /**
     * @return page url.
     */