Fix webview preloading in zygote.

android_webview/glue/java/src/com/android/webview/chromium/WebViewChromiumFactoryProvider.java

 // 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.
 
 package com.android.webview.chromium;
 
 import android.Manifest;
 import android.app.ActivityManager;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
@@ skipping 291 matching lines @@
                     deleteContents(file);
                 }
                 if (!file.delete()) {
                     Log.w(TAG, "Failed to delete " + file);
                 }
             }
         }
     }
 
     public static boolean preloadInZygote() {
+        try {
+            LibraryLoader.get(LibraryProcessType.PROCESS_WEBVIEW_CHILD);
+        } catch (ProcessInitException e) {
+            throw new RuntimeException("Failed to init LibraryLoader", e);
+        }
         for (String library : NativeLibraries.LIBRARIES) {
             System.loadLibrary(library);
         }
         return true;
     }
 
     private void initPlatSupportLibrary() {
         DrawGLFunctor.setChromiumAwDrawGLFunction(AwContents.getAwDrawGLFunction());
         AwContents.setAwDrawSWFunctionTable(GraphicsUtils.getDrawSWFunctionTable());
         AwContents.setAwDrawGLFunctionTable(GraphicsUtils.getDrawGLFunctionTable());
@@ skipping 329 matching lines @@
                         this, HttpAuthDatabase.newInstance(context, HTTP_AUTH_DATABASE_FILE));
             }
         }
         return mWebViewDatabase;
     }
 
     WebViewDelegate getWebViewDelegate() {
         return mWebViewDelegate;
     }
 }