Properly set up TestRenderFrameHost in DeclarativeChromeContentRulesRegistryTest.

chrome/browser/extensions/api/declarative_content/chrome_content_rules_registry_unittest.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 "chrome/browser/extensions/api/declarative_content/chrome_content_rules_registry.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/test/values_test_util.h"
 #include "chrome/browser/extensions/api/declarative_content/content_predicate.h"
 #include "chrome/browser/extensions/api/declarative_content/content_predicate_evaluator.h"
 #include "chrome/browser/extensions/test_extension_environment.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
+#include "content/public/test/test_web_contents_factory.h"
 #include "extensions/common/extension.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 namespace {
 
 class TestPredicateEvaluator;
 
 class TestPredicate : public ContentPredicate {
@@ skipping 100 matching lines @@
 
 class DeclarativeChromeContentRulesRegistryTest : public testing::Test {
  public:
   DeclarativeChromeContentRulesRegistryTest() {}
 
  protected:
   TestExtensionEnvironment* env() { return &env_; }
 
  private:
   TestExtensionEnvironment env_;
+  content::TestWebContentsFactory factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DeclarativeChromeContentRulesRegistryTest);
 };
 
 TEST_F(DeclarativeChromeContentRulesRegistryTest, ActiveRulesDoesntGrow) {
   TestPredicateEvaluator* evaluator = nullptr;
   scoped_refptr<ChromeContentRulesRegistry> registry(
       new ChromeContentRulesRegistry(env()->profile(), nullptr,
                                      base::Bind(&CreateTestEvaluator,
                                                 &evaluator)));
@@ skipping 51 matching lines @@
   registry->MonitorWebContentsForRuleEvaluation(tab.get());
   evaluator->RequestImmediateEvaluation(tab.get(), true);
   EXPECT_EQ(1u, registry->GetActiveRulesCountForTesting());
 
   evaluator->RequestEvaluationOnNextOperation(tab.get(), false);
   registry->DidFinishNavigation(tab.get(), navigation_handle.get());
   EXPECT_EQ(0u, registry->GetActiveRulesCountForTesting());
 }
 
 }  // namespace extensions