Enable libc++ on Android

android_webview/native/aw_contents.cc

Index: android_webview/native/aw_contents.cc
diff --git a/android_webview/native/aw_contents.cc b/android_webview/native/aw_contents.cc
index 3638e4ec346bfe3918517a3f8d63c8ed552d40ad..6e9cb371ba147d9f13d1144654731ae87d42e68e 100644
--- a/android_webview/native/aw_contents.cc
+++ b/android_webview/native/aw_contents.cc
@@ -42,6 +42,7 @@
 #include "base/memory/memory_pressure_listener.h"
 #include "base/message_loop/message_loop.h"
 #include "base/pickle.h"
+#include "base/stl_util.h"
 #include "base/strings/string16.h"
 #include "base/supports_user_data.h"
 #include "components/autofill/content/browser/content_autofill_driver_factory.h"
@@ -843,7 +844,7 @@ jboolean AwContents::RestoreFromOpaqueState(
   std::vector<uint8> state_vector;
   base::android::JavaByteArrayToByteVector(env, state, &state_vector);
 
-  Pickle pickle(reinterpret_cast<const char*>(state_vector.begin()),
+  Pickle pickle(reinterpret_cast<const char*>(vector_as_array(&state_vector)),
                 state_vector.size());
   PickleIterator iterator(pickle);