Reland r50296 which removes some uses of CookieMonster on the UI thread.

chrome/browser/net/cookie_policy_browsertest.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 "base/task.h"
+#include "base/waitable_event.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/host_content_settings_map.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/net/url_request_context_getter.h"
 #include "chrome/test/in_process_browser_test.h"
 #include "chrome/test/ui_test_utils.h"
 #include "net/base/mock_host_resolver.h"
 
+namespace {
+
+class GetCookiesTask : public Task {
+ public:
+  GetCookiesTask(const GURL& url,
+                 URLRequestContextGetter* context_getter,
+                 base::WaitableEvent* event,
+                 std::string* cookies)
+      : url_(url),
+        context_getter_(context_getter),
+        event_(event),
+        cookies_(cookies) {}
+
+  virtual void Run() {
+    *cookies_ = context_getter_->GetCookieStore()->GetCookies(url_);
+    event_->Signal();
+  }
+
+ private:
+  const GURL& url_;
+  URLRequestContextGetter* const context_getter_;
+  base::WaitableEvent* const event_;
+  std::string* const cookies_;
+
+  DISALLOW_COPY_AND_ASSIGN(GetCookiesTask);
+};
+
 class CookiePolicyBrowserTest : public InProcessBrowserTest {
- public:
+ protected:
   CookiePolicyBrowserTest() {}
 
+  std::string GetCookies(const GURL& url) {
+    std::string cookies;
+    base::WaitableEvent event(true /* manual reset */,
+                              false /* not initially signaled */);
+    URLRequestContextGetter* context_getter =
+        browser()->profile()->GetRequestContext();
+    EXPECT_TRUE(
+        ChromeThread::PostTask(
+            ChromeThread::IO, FROM_HERE,
+            new GetCookiesTask(url, context_getter, &event, &cookies)));
+    EXPECT_TRUE(event.Wait());
+    return cookies;
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(CookiePolicyBrowserTest);
 };
 
 // Visits a page that sets a first-party cookie.
 IN_PROC_BROWSER_TEST_F(CookiePolicyBrowserTest, AllowFirstPartyCookies) {
   HTTPTestServer* server = StartHTTPServer();
   ASSERT_TRUE(server != NULL);
 
   browser()->profile()->GetHostContentSettingsMap()->
       SetBlockThirdPartyCookies(true);
 
-  net::CookieStore* cookie_store =
-      browser()->profile()->GetRequestContext()->GetCookieStore();
-
   GURL url = server->TestServerPage("set-cookie?cookie1");
 
-  std::string cookie = cookie_store->GetCookies(url);
+  std::string cookie = GetCookies(url);
   ASSERT_EQ("", cookie);
 
   ui_test_utils::NavigateToURL(browser(), url);
 
-  cookie = cookie_store->GetCookies(url);
+  cookie = GetCookies(url);
   EXPECT_EQ("cookie1", cookie);
 }
 
-
 // Visits a page that is a redirect across domain boundary to a page that sets
 // a first-party cookie.
 IN_PROC_BROWSER_TEST_F(CookiePolicyBrowserTest,
                        AllowFirstPartyCookiesRedirect) {
   HTTPTestServer* server = StartHTTPServer();
   ASSERT_TRUE(server != NULL);
 
   browser()->profile()->GetHostContentSettingsMap()->
       SetBlockThirdPartyCookies(true);
 
-  net::CookieStore* cookie_store =
-      browser()->profile()->GetRequestContext()->GetCookieStore();
-
   GURL url = server->TestServerPage("server-redirect?");
 
   GURL redirected_url = server->TestServerPage("set-cookie?cookie2");
   // Change the host name from localhost to www.example.com so it triggers
   // third-party cookie blocking if the first party for cookies URL is not
   // changed when we follow a redirect.
   ASSERT_EQ("localhost", redirected_url.host());
   GURL::Replacements replacements;
   std::string new_host("www.example.com");
   replacements.SetHostStr(new_host);
   redirected_url = redirected_url.ReplaceComponents(replacements);
 
-  std::string cookie = cookie_store->GetCookies(redirected_url);
+  std::string cookie = GetCookies(redirected_url);
   ASSERT_EQ("", cookie);
 
   host_resolver()->AddRule("www.example.com", "127.0.0.1");
 
   ui_test_utils::NavigateToURL(browser(),
                                GURL(url.spec() + redirected_url.spec()));
 
-  cookie = cookie_store->GetCookies(redirected_url);
+  cookie = GetCookies(redirected_url);
   EXPECT_EQ("cookie2", cookie);
 }
+
+}  // namespace