Adds PrintingContext implementation stub for Android.

chrome/android/testshell/testshell_stubs.cc

 // Copyright (c) 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.
 
 #include "base/strings/string16.h"
 #include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/translate/translate_infobar_delegate.h"
 #include "chrome/browser/ui/auto_login_infobar_delegate.h"
 #include "chrome/browser/ui/auto_login_infobar_delegate_android.h"
+#include "printing/printing_context.h"
+#include "printing/printing_context_android.h"
 
 // This file contains temporary stubs to allow the libtestshell target to
 // compile. They will be removed once real implementations are
 // written/upstreamed, or once other code is refactored to eliminate the
 // need for them.
 
 class InfoBarService;
 
 // static
 TabAndroid* TabAndroid::FromWebContents(content::WebContents* web_contents) {
@@ skipping 29 matching lines @@
 // static
 InfoBar* ConfirmInfoBarDelegate::CreateInfoBar(InfoBarService* owner) {
   NOTREACHED() << "ConfirmInfoBar: InfoBarFactory should be used on Android";
   return NULL;
 }
 
 // static
 InfoBar* TranslateInfoBarDelegate::CreateInfoBar(InfoBarService* owner) {
   return NULL;
 }
+
+// static
+printing::PrintingContext* printing::PrintingContext::Create(
+    const std::string& app_locale) {
+  return NULL;
+}
+
+// static
+void printing::PrintingContextAndroid::PdfWritingDone(int fd, bool success) {
+}
+