Make the UI an observer of downloads.

content/browser/download/download_item_impl_unittest.cc

Index: content/browser/download/download_item_impl_unittest.cc
diff --git a/content/browser/download/download_item_impl_unittest.cc b/content/browser/download/download_item_impl_unittest.cc
index 12f8f9b8d01bf208386a65b4f7457a6416552d05..a70c0594dae744d949f3b78172dfbfa9912f47ed 100644
--- a/content/browser/download/download_item_impl_unittest.cc
+++ b/content/browser/download/download_item_impl_unittest.cc
@@ -43,7 +43,6 @@ class MockDelegate : public DownloadItemImplDelegate {
   MOCK_METHOD1(UpdatePersistence, void(DownloadItemImpl*));
   MOCK_METHOD1(DownloadOpened, void(DownloadItemImpl*));
   MOCK_METHOD1(DownloadRemoved, void(DownloadItemImpl*));
-  MOCK_METHOD1(ShowDownloadInBrowser, void(DownloadItemImpl*));
   MOCK_CONST_METHOD1(AssertStateConsistent, void(DownloadItemImpl*));
 };
 
@@ -454,8 +453,6 @@ TEST_F(DownloadItemTest, CallbackAfterRename) {
   EXPECT_CALL(*download_file, RenameAndUniquify(intermediate_path, _))
       .WillOnce(ScheduleRenameCallback(DOWNLOAD_INTERRUPT_REASON_NONE,
                                        new_intermediate_path));
-  EXPECT_CALL(*mock_delegate(), ShowDownloadInBrowser(item))
-      .Times(1);
 
   callback.Run(final_path, DownloadItem::TARGET_DISPOSITION_OVERWRITE,
                DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS, intermediate_path);
@@ -491,8 +488,6 @@ TEST_F(DownloadItemTest, CallbackAfterInterruptedRename) {
                                        new_intermediate_path));
   EXPECT_CALL(*download_file, Cancel())
       .Times(1);
-  EXPECT_CALL(*mock_delegate(), ShowDownloadInBrowser(item))
-      .Times(1);
 
   callback.Run(final_path, DownloadItem::TARGET_DISPOSITION_OVERWRITE,
                DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS, intermediate_path);