Make ResolveRelative work with all hierarchical URLs.

src/url_canon_unittest.cc

Index: src/url_canon_unittest.cc
diff --git a/src/url_canon_unittest.cc b/src/url_canon_unittest.cc
index fbc44b7a0b3630baa65d7cb3a0893ae7b788edc2..73c3f496e40d5b0cc18844cf900dfa219edb6b3a 100644
--- a/src/url_canon_unittest.cc
+++ b/src/url_canon_unittest.cc
@@ -2036,6 +2036,15 @@ TEST(URLCanonTest, ResolveRelativeURL) {
     {"filesystem:http://host/t/path", true, false, "./path2", true, true, true, "filesystem:http://host/t/path2"},
     {"filesystem:http://host/t/path/", true, false, "path2", true, true, true, "filesystem:http://host/t/path/path2"},
     {"filesystem:http://host/t/path", true, false, "filesystem:http:path2", true, false, false, NULL},
+      // Non-standard URLs.

[brettw, 2012/12/06 00:25:10]

Can you expand on this comment a bit about what you're trying to test?

Additionally, your code does different things for one and two slashes. I don't
see those differences reflected in the tests here (seeing that would make it
more obvious to me decide whether this is the right thing or not).

[mkosiba (inactive), 2012/12/06 16:57:33]

Done.

+    {"about:blank", false, false, "content://content.Provider/", true, false, true, "content://content.Provider/"},
+    {"about:blank", false, false, "content://content.Provider", true, false, true, "content://content.Provider/"},
+    {"about:blank", false, false, "http://x/a", true, false, true, "http://x/a"},
+    {"content://content.Provider/a", true, false, "path", true, true, true, "content://content.Provider/path"},
+    {"content://content.Provider/a", true, false, "./path2", true, true, true, "content://content.Provider/path2"},
+    {"content://content.Provider/", true, false, "path3", true, true, true, "content://content.Provider/path3"},
+    {"content://content.Provider/", true, false, "../path4", true, true, true, "content://content.Provider/path4"},
+    {"content://content.Provider/", true, false, "http://host/", true, false, true, "http://host/"},
   };
 
   for (size_t i = 0; i < ARRAYSIZE(rel_cases); i++) {