Add support for a "split" incognito behavior for extensions.

chrome/browser/extensions/extension_apitest.cc

 // Copyright (c) 2010 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/extensions/extension_apitest.h"
 
 #include "base/string_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/test/ui_test_utils.h"
 
-ExtensionApiTest::ResultCatcher::ResultCatcher() {
+ExtensionApiTest::ResultCatcher::ResultCatcher()
+    : profile_restriction_(NULL) {
   registrar_.Add(this, NotificationType::EXTENSION_TEST_PASSED,
                  NotificationService::AllSources());
   registrar_.Add(this, NotificationType::EXTENSION_TEST_FAILED,
                  NotificationService::AllSources());
 }
 
 ExtensionApiTest::ResultCatcher::~ResultCatcher() {
 }
 
 bool ExtensionApiTest::ResultCatcher::GetNextResult() {
@@ skipping 12 matching lines @@
     return ret;
   }
 
   NOTREACHED();
   return false;
 }
 
 void ExtensionApiTest::ResultCatcher::Observe(
     NotificationType type, const NotificationSource& source,
     const NotificationDetails& details) {
+  if (profile_restriction_ &&
+      Source<Profile>(source).ptr() != profile_restriction_) {
+    return;
+  }
+
   switch (type.value) {
     case NotificationType::EXTENSION_TEST_PASSED:
       std::cout << "Got EXTENSION_TEST_PASSED notification.\n";
       results_.push_back(true);
       messages_.push_back("");
       MessageLoopForUI::current()->Quit();
       break;
 
     case NotificationType::EXTENSION_TEST_FAILED:
       std::cout << "Got EXTENSION_TEST_FAILED notification.\n";
@@ skipping 75 matching lines @@
     message_ = "extension pointer is NULL.";
     return NULL;
   }
   return extension;
 }
 
 void ExtensionApiTest::SetUpCommandLine(CommandLine* command_line) {
   ExtensionBrowserTest::SetUpCommandLine(command_line);
   test_data_dir_ = test_data_dir_.AppendASCII("api_test");
 }