Move Mutex and Monitor from vm/ to platform/

runtime/platform/platform_sources.gypi

Index: runtime/platform/platform_sources.gypi
diff --git a/runtime/platform/platform_sources.gypi b/runtime/platform/platform_sources.gypi
index 58ee91bf2f76a0daeba5bd841509a0c6cebfb306..47d050565a5d9c7ba96b71f04de25b9afead20fb 100644
--- a/runtime/platform/platform_sources.gypi
+++ b/runtime/platform/platform_sources.gypi
@@ -6,5 +6,12 @@
 {
   'sources': [
     'assert.cc',
+    'thread.h',

[Ivan Posva, 2012/01/13 23:33:41]

Why are thread*.h files duplicated here? This is inconsistent compared to the
other headers in the platform directory. As far as I am concerned these .h files
belong into the platform_headers.gypi.

[Søren Gjesse, 2012/01/16 16:12:19]

They do - moved.

+    'thread_linux.cc',
+    'thread_linux.h',
+    'thread_macos.cc',
+    'thread_macos.h',
+    'thread_win.cc',
+    'thread_win.h',
   ],
 }