[android_webview] Fix crash in testCreateDestroy.

android_webview/java/src/org/chromium/android_webview/AwContents.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.android_webview;
 
 import android.content.ComponentCallbacks2;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
@@ skipping 346 matching lines @@
             mContainerView.requestLayout();
         }
 
         @Override
         public void setMeasuredDimension(int measuredWidth, int measuredHeight) {
             mInternalAccessAdapter.setMeasuredDimension(measuredWidth, measuredHeight);
         }
 
         @Override
         public void setFixedLayoutSize(int widthDip, int heightDip) {
+            if (mNativeAwContents == 0) return;
             nativeSetFixedLayoutSize(mNativeAwContents, widthDip, heightDip);
         }
     }
 
     //--------------------------------------------------------------------------------------------
     private class AwScrollOffsetManagerDelegate implements AwScrollOffsetManager.Delegate {
         @Override
         public void overScrollContainerViewBy(int deltaX, int deltaY, int scrollX, int scrollY,
                 int scrollRangeX, int scrollRangeY, boolean isTouchEvent) {
             mInternalAccessAdapter.overScrollBy(deltaX, deltaY, scrollX, scrollY,
@@ skipping 1665 matching lines @@
     private native int nativeCapturePicture(int nativeAwContents, int width, int height);
     private native void nativeEnableOnNewPicture(int nativeAwContents, boolean enabled);
 
     private native void nativeInvokeGeolocationCallback(
             int nativeAwContents, boolean value, String requestingFrame);
 
     private native void nativeSetJsOnlineProperty(int nativeAwContents, boolean networkUp);
 
     private native void nativeTrimMemory(int nativeAwContents, int level);
 }