Moved SuperFastHash function from base/hash.cc to base/third_party.

base/third_party/superfasthash/README.chromium

Index: base/third_party/superfasthash/README.chromium
diff --git a/base/third_party/superfasthash/README.chromium b/base/third_party/superfasthash/README.chromium
new file mode 100644
index 0000000000000000000000000000000000000000..d41ed7724a299225264da870db16f118fed719ed
--- /dev/null
+++ b/base/third_party/superfasthash/README.chromium
@@ -0,0 +1,29 @@
+Name: Paul Hsieh's SuperFastHash
+Short Name: SuperFastHash
+URL: http://www.azillionmonkeys.com/qed/hash.html
+Version: 0
+Date: 2012-02-21
+License: BSD
+License File: LICENSE
+Security Critical: yes
+
+Description:
+A fast string hashing algorithm.
+
+Local Modifications:
+- Added LICENSE.
+- Added license text as a comment to the top of superfasthash.c.
+- #include <stdint.h> instead of "pstdint.h".
+- #include <stdlib.h>.
+
+The license is a standard 3-clause BSD license with the following minor changes:
+
+"nor the names of its contributors may be used"
+is replaced with:
+"nor the names of any other contributors to the code use may not be used"
+
+and
+
+"IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE"
+is replaced with:
+"IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE"