Adding unit test for verifying copy on write in SkSurface + bug fix in SkCanvas::clear
Review URL: https://codereview.chromium.org/13116018

git-svn-id: http://skia.googlecode.com/svn/trunk@8429 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/tests.gyp b/gyp/tests.gyp
index dbf27fa..335f1bc 100644
--- a/gyp/tests.gyp
+++ b/gyp/tests.gyp
@@ -98,6 +98,7 @@
         '../tests/StreamTest.cpp',
         '../tests/StringTest.cpp',
         '../tests/StrokeTest.cpp',
+        '../tests/SurfaceTest.cpp',
         '../tests/Test.cpp',
         '../tests/Test.h',
         '../tests/TestSize.cpp',