Cut and Copy option should not be avilable for password field.

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

 // Copyright 2012 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.
 
 package org.chromium.content.browser;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.SearchManager;
 import android.content.ContentResolver;
@@ skipping 2149 matching lines @@
                     i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                 }
                 try {
                     getContext().startActivity(i);
                 } catch (android.content.ActivityNotFoundException ex) {
                     // If no app handles it, do nothing.
                 }
             }
 
             @Override
+            public boolean isPasswordType() {
+                return mImeAdapter.isPasswordType();
+            }
+
+            @Override
             public boolean isSelectionEditable() {
                 return mSelectionEditable;
             }
 
             @Override
             public void onDestroyActionMode() {
                 mActionMode = null;
                 if (mUnselectAllOnActionModeDismiss) mImeAdapter.unselect();
                 getContentViewClient().onContextualActionBarHidden();
             }
@@ skipping 1185 matching lines @@
             boolean enableHiding, boolean enableShowing, boolean animate);
 
     private native void nativeShowImeIfNeeded(long nativeContentViewCoreImpl);
 
     private native void nativeSetAccessibilityEnabled(
             long nativeContentViewCoreImpl, boolean enabled);
 
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
 }