Implement delete methods for the various CannedBrowsingDataHelpers.

chrome/browser/browsing_data/browsing_data_appcache_helper_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/browsing_data/browsing_data_appcache_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/stl_util.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 13 matching lines @@
     have_result_ = true;
   }
 
  private:
   bool have_result_;
 };
 
 }  // namespace
 
 class CannedBrowsingDataAppCacheHelperTest : public testing::Test {
+ public:
+  CannedBrowsingDataAppCacheHelperTest()
+      : thread_bundle_(content::TestBrowserThreadBundle::REAL_IO_THREAD) {}
+
   content::TestBrowserThreadBundle thread_bundle_;
 };
 
 TEST_F(CannedBrowsingDataAppCacheHelperTest, SetInfo) {
   TestingProfile profile;
 
   GURL manifest1("http://example1.com/manifest.xml");
   GURL manifest2("http://example2.com/path1/manifest.xml");
   GURL manifest3("http://example2.com/path2/manifest.xml");
 
@@ skipping 57 matching lines @@
   scoped_refptr<CannedBrowsingDataAppCacheHelper> helper(
       new CannedBrowsingDataAppCacheHelper(&profile));
 
   ASSERT_TRUE(helper->empty());
   helper->AddAppCache(manifest);
   ASSERT_FALSE(helper->empty());
   helper->Reset();
   ASSERT_TRUE(helper->empty());
 }
 
+TEST_F(CannedBrowsingDataAppCacheHelperTest, Delete) {
+  TestingProfile profile;
+
+  GURL manifest1("http://example.com/manifest1.xml");
+  GURL manifest2("http://foo.example.com/manifest2.xml");
+  GURL manifest3("http://bar.example.com/manifest3.xml");
+
+  scoped_refptr<CannedBrowsingDataAppCacheHelper> helper(
+      new CannedBrowsingDataAppCacheHelper(&profile));
+
+  EXPECT_TRUE(helper->empty());
+  helper->AddAppCache(manifest1);
+  helper->AddAppCache(manifest2);
+  helper->AddAppCache(manifest3);
+  EXPECT_FALSE(helper->empty());
+  EXPECT_EQ(3u, helper->GetAppCacheCount());
+  helper->DeleteAppCacheGroup(manifest2);
+  EXPECT_EQ(2u, helper->GetAppCacheCount());
+  EXPECT_TRUE(helper->GetOriginAppCacheInfoMap().find(manifest2) ==
+              helper->GetOriginAppCacheInfoMap().end());
+}
+
 TEST_F(CannedBrowsingDataAppCacheHelperTest, IgnoreExtensionsAndDevTools) {
   TestingProfile profile;
 
   GURL manifest1("chrome-extension://abcdefghijklmnopqrstuvwxyz/manifest.xml");
   GURL manifest2("chrome-devtools://abcdefghijklmnopqrstuvwxyz/manifest.xml");
 
   scoped_refptr<CannedBrowsingDataAppCacheHelper> helper(
       new CannedBrowsingDataAppCacheHelper(&profile));
 
   ASSERT_TRUE(helper->empty());
   helper->AddAppCache(manifest1);
   ASSERT_TRUE(helper->empty());
   helper->AddAppCache(manifest2);
   ASSERT_TRUE(helper->empty());
 }