Inherit default text color from MainTheme.

chrome/android/java/res/layout/password_generation_popup_suggestion.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2014 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.
 -->
 
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content">
@@ skipping 15 matching lines @@
             android:contentDescription="@null" />
 
         <TextView android:id="@+id/password_generation_title"
             android:layout_toEndOf="@id/password_generation_icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/password_generation_text_vertical_margin"
             android:paddingEnd="@dimen/password_generation_horizontal_margin"
             android:singleLine="true"
             android:textStyle="bold"
-            android:textColor="@color/default_text_color"
             android:textSize="@dimen/password_generation_text_size"
             android:includeFontPadding="false"/>
 
         <TextView android:id="@+id/password_generation_password"
             android:layout_toEndOf="@id/password_generation_icon"
             android:layout_below="@id/password_generation_title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:paddingBottom="@dimen/password_generation_text_vertical_margin"
             android:paddingEnd="@dimen/password_generation_horizontal_margin"
             android:singleLine="true"
-            android:textColor="@color/default_text_color"
             android:textSize="@dimen/password_generation_text_size"
             android:includeFontPadding="false"/>
 
     </RelativeLayout>
 
     <View android:id="@+id/password_generation_divider"
         android:layout_below="@id/password_generation_suggestion"
         android:layout_width="wrap_content"
         android:layout_height="@dimen/password_generation_divider_height"
         android:background="@color/password_generation_divider_color"/>
 
 </RelativeLayout>