Test srcset parsing for space in url

Source/core/html/parser/HTMLSrcsetParserTest.cpp

Index: Source/core/html/parser/HTMLSrcsetParserTest.cpp
diff --git a/Source/core/html/parser/HTMLSrcsetParserTest.cpp b/Source/core/html/parser/HTMLSrcsetParserTest.cpp
index e0fc1eef269b2881478c8f67422b75e65175e3e6..745d26ed48e54920e4d5394289d86f6e8d0dac8a 100644
--- a/Source/core/html/parser/HTMLSrcsetParserTest.cpp
+++ b/Source/core/html/parser/HTMLSrcsetParserTest.cpp
@@ -103,6 +103,7 @@ TEST(HTMLSrcsetParserTest, Basic)
         {1.0, -1, "", "data:,a +1x", "", 1.0, -1},
         {1.0, -1, "", "data:,a   +1x", "", 1.0, -1},
         {1.0, -1, "", "data:,a 1.0x", "data:,a", 1.0, -1},
+        {1.0, -1, "", "1%20and%202.gif 1x", "1%20and%202.gif", 1.0, -1},
         {0, 0, 0, 0, 0, 0} // Do not remove the terminator line.
     };