Fix nested GuestView's container bounds calculation.

chrome/browser/pdf/pdf_extension_test_util.cc

+// Copyright 2015 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 "chrome/browser/pdf/pdf_extension_test_util.h"
+
+#include "content/public/test/browser_test_utils.h"
+#include "grit/component_extension_resources.h"
+#include "ui/base/resource/resource_bundle.h"
+
+namespace pdf_extension_test_util {
+
+bool EnsurePDFHasLoaded(content::WebContents* web_contents) {
+  std::string scripting_api_js =
+      ResourceBundle::GetSharedInstance()
+          .GetRawDataResource(IDR_PDF_PDF_SCRIPTING_API_JS)
+          .as_string();
+  CHECK(content::ExecuteScript(web_contents, scripting_api_js));
+
+  bool load_success = false;
+  CHECK(content::ExecuteScriptAndExtractBool(
+      web_contents,
+      "var scriptingAPI = new PDFScriptingAPI(window, "
+      "    document.getElementsByTagName('embed')[0]);"
+      "scriptingAPI.setLoadCallback(function(success) {"
+      "  window.domAutomationController.send(success);"
+      "});",
+      &load_success));
+  return load_success;
+}
+
+}  // namespace pdf_extension_test_util