Basic native library preloading for WebView zygote.

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

Index: android_webview/glue/java/src/com/android/webview/chromium/WebViewChromiumFactoryProvider.java
diff --git a/android_webview/glue/java/src/com/android/webview/chromium/WebViewChromiumFactoryProvider.java b/android_webview/glue/java/src/com/android/webview/chromium/WebViewChromiumFactoryProvider.java
index 7eb824db7289fedfa1f4df6bcf9557f92ee39717..2b0d6621a83d786747eaff8b512684696bf86f90 100644
--- a/android_webview/glue/java/src/com/android/webview/chromium/WebViewChromiumFactoryProvider.java
+++ b/android_webview/glue/java/src/com/android/webview/chromium/WebViewChromiumFactoryProvider.java
@@ -59,6 +59,7 @@ import org.chromium.base.TraceEvent;
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.base.library_loader.LibraryLoader;
 import org.chromium.base.library_loader.LibraryProcessType;
+import org.chromium.base.library_loader.NativeLibraries;
 import org.chromium.base.library_loader.ProcessInitException;
 import org.chromium.content.browser.ContentViewStatics;
 import org.chromium.net.NetworkChangeNotifier;
@@ -309,6 +310,13 @@ public class WebViewChromiumFactoryProvider implements WebViewFactoryProvider {
         }
     }
 
+    public static boolean preloadInZygote() {
+        for (String library : NativeLibraries.LIBRARIES) {
+            System.loadLibrary(library);
+        }
+        return true;
+    }
+
     private void initPlatSupportLibrary() {
         DrawGLFunctor.setChromiumAwDrawGLFunction(AwContents.getAwDrawGLFunction());
         AwContents.setAwDrawSWFunctionTable(GraphicsUtils.getDrawSWFunctionTable());