Add new files to gyp.

Review URL: http://codereview.chromium.org/7278035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8536 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/gyp/v8.gyp

@@ -640,10 +640,13 @@
             '../../src/v8.cc',
             '../../src/v8.h',
             '../../src/v8checks.h',
+            '../../src/v8conversions.cc',
+            '../../src/v8conversions.h',
             '../../src/v8globals.h',
             '../../src/v8memory.h',
             '../../src/v8threads.cc',
             '../../src/v8threads.h',
+            '../../src/v8utils.cc',
             '../../src/v8utils.h',
             '../../src/variables.cc',
             '../../src/variables.h',