Implement Android M text process action in ActionMode

content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java

Index: content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java b/content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java
index 082068a4daff3edd92c064299dd81658a62a06ed..4ca85e2f9fb64073be49943191c32a9b31bf1b73 100644
--- a/content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java
+++ b/content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java
@@ -53,6 +53,11 @@ public class WebActionModeCallback implements ActionMode.Callback {
         void share();
 
         /**
+         * Perform a translate action.
+         */
+        void translate();
+
+        /**
          * Perform a search action.
          */
         void search();
@@ -79,6 +84,11 @@ public class WebActionModeCallback implements ActionMode.Callback {
         boolean isShareAvailable();
 
         /**
+         * @return Whether or not translate is available.
+         */
+        boolean isTranslateAvailable();
+
+        /**
          * @return Whether or not web search is available.
          */
         boolean isWebSearchAvailable();
@@ -178,6 +188,10 @@ public class WebActionModeCallback implements ActionMode.Callback {
             menu.removeItem(R.id.select_action_menu_share);
         }
 
+        if (!mActionHandler.isTranslateAvailable()) {
+            menu.removeItem(R.id.select_action_menu_translate);
+        }
+
         if (mEditable || mActionHandler.isIncognito() || !mActionHandler.isWebSearchAvailable()) {
             menu.removeItem(R.id.select_action_menu_web_search);
         }
@@ -211,6 +225,9 @@ public class WebActionModeCallback implements ActionMode.Callback {
         } else if (id == R.id.select_action_menu_web_search) {
             mActionHandler.search();
             mode.finish();
+        } else if (id == R.id.select_action_menu_translate) {
+            mActionHandler.translate();
+            mode.finish();
         } else {
             return false;
         }