Properly initialize GuestViewManager.factory in ProcessManagerBrowserTest.

chrome/browser/extensions/process_manager_browsertest.cc

 // Copyright 2013 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 <stddef.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/callback.h"
@@ skipping 155 matching lines @@
   std::set<content::RenderFrameHost*> frames_;
   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationCompletedObserver);
 };
 
 // Exists as a browser test because ExtensionHosts are hard to create without
 // a real browser.
 class ProcessManagerBrowserTest : public ExtensionBrowserTest {
  public:
+  ProcessManagerBrowserTest() {
+    guest_view::GuestViewManager::set_factory_for_testing(&factory_);
+  }
   // Create an extension with web-accessible frames and an optional background
   // page.
   const Extension* CreateExtension(const std::string& name,
                                    bool has_background_process) {
     std::unique_ptr<TestExtensionDir> dir(new TestExtensionDir());
 
     DictionaryBuilder manifest;
     manifest.Set("name", name)
         .Set("version", "1")
         .Set("manifest_version", 2)
@@ skipping 67 matching lines @@
     EXPECT_TRUE(ExecuteScript(opener, "window.open('" + url.spec() + "')"));
     popup_observer.Wait();
     content::WebContents* popup =
         browser()->tab_strip_model()->GetActiveWebContents();
     WaitForLoadStop(popup);
     EXPECT_EQ(url, popup->GetMainFrame()->GetLastCommittedURL());
     return popup;
   }
 
  private:
+  guest_view::TestGuestViewManagerFactory factory_;
   std::vector<std::unique_ptr<TestExtensionDir>> temp_dirs_;
 };
 
 // Test that basic extension loading creates the appropriate ExtensionHosts
 // and background pages.
 IN_PROC_BROWSER_TEST_F(ProcessManagerBrowserTest,
                        ExtensionHostCreation) {
   ProcessManager* pm = ProcessManager::Get(profile());
 
   // We start with no background hosts.
@@ skipping 784 matching lines @@
   EXPECT_TRUE(ExecuteScriptAndExtractBool(
       popup, "window.domAutomationController.send(!!window.opener)",
       &is_opener_defined));
   EXPECT_TRUE(is_opener_defined);
 
   // Verify that postMessage to window.opener works.
   VerifyPostMessageToOpener(popup->GetMainFrame(), extension_frame);
 }
 
 }  // namespace extensions