FFmpeg in-tree build for mac.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 54139402be142d9fce55c85fcf8551fe170b4d3a..54b0fdf4cf6d279d34199e1532f9707247b4c470 100644
--- a/DEPS
+++ b/DEPS
@@ -37,7 +37,7 @@ deps = {
     "http://pywebsocket.googlecode.com/svn/trunk/src@86",
 
   "src/tools/gyp":
-    "http://gyp.googlecode.com/svn/trunk@740",
+    "http://gyp.googlecode.com/svn/trunk@741",
 
   "src/v8":
     "http://v8.googlecode.com/svn/trunk@3203",
@@ -130,6 +130,13 @@ deps_os = {
     "src/third_party/WebKit/WebKitLibraries":
       Var("webkit_trunk") + "/WebKitLibraries@" + Var("webkit_revision"),
 
+    # TODO(ajwong): Move this into the OS-independent block.
+    "src/third_party/yasm/source/patched-yasm":
+      "/trunk/deps/third_party/yasm/patched-yasm@29937",
+    "src/third_party/ffmpeg/source/patched-ffmpeg-mt":
+      "/trunk/deps/third_party/ffmpeg/patched-ffmpeg-mt@" +
+      Var("ffmpeg_revision"),
+
     "src/third_party/ffmpeg/binaries/chromium/mac/ia32":
       "/trunk/deps/third_party/ffmpeg/binaries/mac@" + Var("ffmpeg_revision"),
     "src/third_party/ffmpeg/binaries/chromium/mac/ia32_dbg":
@@ -141,9 +148,9 @@ deps_os = {
     "src/third_party/xdg-utils":
       "/trunk/deps/third_party/xdg-utils@29103",
 
+    # TODO(ajwong): Move this into the OS-independent block.
     "src/third_party/yasm/source/patched-yasm":
       "/trunk/deps/third_party/yasm/patched-yasm@29937",
-
     "src/third_party/ffmpeg/source/patched-ffmpeg-mt":
       "/trunk/deps/third_party/ffmpeg/patched-ffmpeg-mt@" +
       Var("ffmpeg_revision"),