Handle per-tab AUTOMATIC_DOWNLOADS setting in DownloadRequestLimiter.

chrome/browser/download/download_request_limiter_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/download/download_request_limiter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
@@ skipping 194 matching lines @@
     EXPECT_EQ(expect_asks, AskAllowCount()) << "line " << line;
     continue_count_ = cancel_count_ = 0;
     testing_delegate_.ResetCounts();
   }
 
   void UpdateContentSettings(WebContents* web_contents,
                              ContentSetting setting) {
     // Ensure a download state exists.
     download_request_limiter_->GetDownloadState(web_contents, nullptr, true);
     SetHostContentSetting(web_contents, setting);
-
-    // Manually send the update notification. In the browser, this is sent from
-    // ContentSettingRPHBubbleModel.
-    content::NotificationService::current()->Notify(
-        chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED,
-        content::Source<WebContents>(web_contents),
-        content::NotificationService::NoDetails());
   }
 
  protected:
   void ContinueDownload(bool allow) {
     if (allow) {
       continue_count_++;
     } else {
       cancel_count_++;
     }
   }
@@ skipping 411 matching lines @@
   LoadCompleted();
   SetHostContentSetting(web_contents(), CONTENT_SETTING_ALLOW);
 
   CanDownload();
   ExpectAndResetCounts(1, 0, 0, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
   CanDownload();
   ExpectAndResetCounts(1, 0, 0, __LINE__);
-  ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
+  ASSERT_EQ(DownloadRequestLimiter::ALLOW_ALL_DOWNLOADS,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
   SetHostContentSetting(web_contents(), CONTENT_SETTING_BLOCK);
 
   CanDownload();
   ExpectAndResetCounts(0, 1, 0, __LINE__);
-  ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
+  ASSERT_EQ(DownloadRequestLimiter::DOWNLOADS_NOT_ALLOWED,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
   CanDownload();
   ExpectAndResetCounts(0, 1, 0, __LINE__);
-  ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
+  ASSERT_EQ(DownloadRequestLimiter::DOWNLOADS_NOT_ALLOWED,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 }
 
 TEST_F(DownloadRequestLimiterTest,
        DownloadRequestLimiter_ContentSettingChanged) {
   NavigateAndCommit(GURL("http://foo.com/bar"));
   LoadCompleted();
   ASSERT_EQ(DownloadRequestLimiter::ALLOW_ONE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
@@ skipping 38 matching lines @@
   // changing the content setting).
   UpdateContentSettings(web_contents(), CONTENT_SETTING_ASK);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
   UpdateExpectations(WAIT);
   CanDownload();
   ExpectAndResetCounts(0, 0, 1, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 }