revise SkTDynamicHash and add unit tests
BUG=
R=reed@google.com

Author: mtklein@google.com

Review URL: https://chromiumcodereview.appspot.com/22292004

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@10552 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests.gyp b/tests.gyp
index b151031..0bb3550 100644
--- a/tests.gyp
+++ b/tests.gyp
@@ -48,6 +48,7 @@
         '../tests/DrawBitmapRectTest.cpp',
         '../tests/DrawPathTest.cpp',
         '../tests/DrawTextTest.cpp',
+        '../tests/DynamicHashTest.cpp',
         '../tests/EmptyPathTest.cpp',
         '../tests/ErrorTest.cpp',
         '../tests/FillPathTest.cpp',