Asynchronously pre-fault the native library pages.

base/android/java/src/org/chromium/base/library_loader/Linker.java

Index: base/android/java/src/org/chromium/base/library_loader/Linker.java
diff --git a/base/android/java/src/org/chromium/base/library_loader/Linker.java b/base/android/java/src/org/chromium/base/library_loader/Linker.java
index bbf76cbd1792b07121bbff481e1ca82be79ae0eb..cea85712914ea5d3d57a9a24478919389aa75fc5 100644
--- a/base/android/java/src/org/chromium/base/library_loader/Linker.java
+++ b/base/android/java/src/org/chromium/base/library_loader/Linker.java
@@ -894,6 +894,23 @@ public class Linker {
     }
 
     /**
+     * Native method to prefault a library loaded from a ZIP file.
+     *
+     * @param zipFilename Zip file name.
+     * @param libraryName Library to look for in the ZIP file.
+     * @return true for success.
+     */
+    static native boolean nativePrefaultLibraryInZipFile(String zipFilename, String libraryName);
+
+    /**
+     * Native method to prefault a library.
+     *
+     * @param libraryFilename Library file name.
+     * @return true for success.
+     */
+    static native boolean nativePrefaultLibraryInFile(String libraryFilename);
+
+    /**
      * Native method to run callbacks on the main UI thread.
      * Supplied by the crazy linker and called by postCallbackOnMainThread.
      * @param opaque Opaque crazy linker arguments.