Support restricting browsing data removal for downloads by origin.

content/public/test/mock_download_manager.h

Index: content/public/test/mock_download_manager.h
diff --git a/content/public/test/mock_download_manager.h b/content/public/test/mock_download_manager.h
index a67c2e8db4b54486955e6ce6be9e639f2d9260b7..5666ecd08155928c358efd4e43ceaff117c0f63d 100644
--- a/content/public/test/mock_download_manager.h
+++ b/content/public/test/mock_download_manager.h
@@ -14,6 +14,7 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
+#include "url/origin.h"
 
 class DownloadRequestHandle;
 
@@ -88,8 +89,10 @@ class MockDownloadManager : public DownloadManager {
 
   MOCK_METHOD2(MockStartDownload,
                void(DownloadCreateInfo*, ByteStreamReader*));
-  MOCK_METHOD2(RemoveDownloadsBetween, int(base::Time remove_begin,
-                                           base::Time remove_end));
+  MOCK_METHOD3(RemoveDownloadsBetween, int(
+      const url::Origin& origin_to_clear,
+      base::Time remove_begin,
+      base::Time remove_end));
   MOCK_METHOD1(RemoveDownloads, int(base::Time remove_begin));
   MOCK_METHOD0(RemoveAllDownloads, int());
   MOCK_METHOD1(DownloadUrlMock, void(DownloadUrlParameters*));