Add "Paste as plain text" into text selection toolbar overflow

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index 6c35e91c88d3d9deae8eaec02f51ca3c82ef815a..7043118a08eafa5f7f68133a145eff1cbebf065a 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -9,7 +9,6 @@ import android.annotation.TargetApi;
 import android.app.assist.AssistStructure.ViewNode;
 import android.content.ClipData;
 import android.content.ClipDescription;
-import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
@@ -1742,19 +1741,14 @@ public class ContentViewCore
     }
 
     @CalledByNative
-    private void showPastePopup(int x, int y, boolean canSelectAll) {
-        mSelectionPopupController.createAndShowPastePopup(x, y, canSelectAll);
+    private void showPastePopup(int x, int y, boolean canSelectAll, boolean canEditRichly) {
+        mSelectionPopupController.createAndShowPastePopup(x, y, canSelectAll, canEditRichly);
     }
 
     private void destroyPastePopup() {
         mSelectionPopupController.destroyPastePopup();
     }
 
-    private boolean canPaste() {
-        return ((ClipboardManager) mContext.getSystemService(
-                Context.CLIPBOARD_SERVICE)).hasPrimaryClip();
-    }
-
     @SuppressWarnings("unused")
     @CalledByNative
     private void onRenderProcessChange() {