Add EscapeURL to the ASCII escape methods....

net/base/escape_unittest.cc

Index: net/base/escape_unittest.cc
===================================================================
--- net/base/escape_unittest.cc	(revision 27534)
+++ net/base/escape_unittest.cc	(working copy)
@@ -107,6 +107,21 @@
     "%7B%7C%7D~%7F%80%FF");
 }
 
+TEST(Escape, EscapeUrl) {
+  ASSERT_EQ(
+    // Most of the character space we care about, un-escaped
+    EscapeUrl(
+      "\x02\n\x1d !\"#$%&'()*+,-./0123456789:;"
+      "<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+      "[\\]^_`abcdefghijklmnopqrstuvwxyz"
+      "{|}~\x7f\x80\xff"),
+    // Escaped
+    "%02%0A%1D+!%22%23%24%25%26%27()*%2B,-./0123456789:%3B"
+    "%3C%3D%3E%3F%40ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    "%5B%5C%5D%5E_%60abcdefghijklmnopqrstuvwxyz"
+    "%7B%7C%7D~%7F%80%FF");
+}
+
 TEST(Escape, UnescapeURLComponent) {
   const UnescapeURLCase unescape_cases[] = {
     {"", UnescapeRule::NORMAL, ""},