Fix a crash in PageActionImageView when extensions are reloaded due to incognito settings changing.

chrome/browser/translate/translate_manager_browsertest.cc

 // Copyright (c) 2011 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 <algorithm>
 #include <set>
 #include <vector>
 
 #include "base/stringprintf.h"
@@ skipping 1215 matching lines @@
   translate_prefs.ResetTranslationAcceptedCount("fr");
   translate_prefs.ResetTranslationDeniedCount("fr");
   translate_prefs.ResetTranslationAcceptedCount("de");
   translate_prefs.ResetTranslationDeniedCount("de");
 
   // We'll do 4 times in incognito mode first to make sure the button is not
   // shown in that case, then 4 times in normal mode.
   TranslateInfoBarDelegate* infobar;
   TestingProfile* test_profile =
       static_cast<TestingProfile*>(contents()->browser_context());
+  test_profile->CreateExtensionProcessManager();
   test_profile->set_incognito(true);
   for (int i = 0; i < 8; ++i) {
     SCOPED_TRACE(::testing::Message() << "Iteration " << i <<
         " incognito mode=" << test_profile->IsOffTheRecord());
     SimulateNavigation(GURL("http://www.google.fr"), "fr", true);
     infobar = GetTranslateInfoBar();
     ASSERT_TRUE(infobar != NULL);
     EXPECT_EQ(TranslateInfoBarDelegate::BEFORE_TRANSLATE, infobar->type());
     if (i < 7) {
       EXPECT_FALSE(infobar->ShouldShowAlwaysTranslateButton());
@@ skipping 93 matching lines @@
           NULL);
   // Now simulate the URL fetch.
   SimulateTranslateScriptURLFetch(true);
   // Now the message should have been sent.
   int page_id = 0;
   std::string original_lang, target_lang;
   EXPECT_TRUE(GetTranslateMessage(&page_id, &original_lang, &target_lang));
   EXPECT_EQ("es", original_lang);
   EXPECT_EQ("en", target_lang);
 }