DownloadManager intereface refactoring to allow cleaner DownloadItem unit tests.

content/browser/download/mock_download_item.h

Index: content/browser/download/mock_download_item.h
diff --git a/content/browser/download/mock_download_item.h b/content/browser/download/mock_download_item.h
index 61061d4362f370eba76fc51a76a633ad295ddaf5..8053554fb214767cbeec7ecb2a3aff942ef7a854 100644
--- a/content/browser/download/mock_download_item.h
+++ b/content/browser/download/mock_download_item.h
@@ -33,6 +33,7 @@ class MockDownloadItem : public DownloadItem {
   MOCK_METHOD0(DelayedDownloadOpened, void());
   MOCK_METHOD2(OnAllDataSaved, void(int64, const std::string&));
   MOCK_METHOD0(OnDownloadedFileRemoved, void());
+  MOCK_METHOD0(MaybeCompleteDownload, void());
   MOCK_METHOD2(Interrupted, void(int64, InterruptReason));
   MOCK_METHOD1(Delete, void(DeleteReason));
   MOCK_METHOD0(Remove, void());
@@ -97,6 +98,7 @@ class MockDownloadItem : public DownloadItem {
   MOCK_CONST_METHOD0(GetLastReason, InterruptReason());
   MOCK_CONST_METHOD0(GetPersistentStoreInfo, DownloadPersistentStoreInfo());
   MOCK_CONST_METHOD0(GetStateInfo, DownloadStateInfo());
+  MOCK_CONST_METHOD0(BrowserContext, content::BrowserContext*());
   MOCK_CONST_METHOD0(GetTabContents, TabContents*());
   MOCK_CONST_METHOD0(GetTargetFilePath, FilePath());
   MOCK_CONST_METHOD0(GetFileNameToReportUser, FilePath());