Make the last change hook also generate C header files.

DEPS

 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 
 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://svn.code.sf.net/p/%(repo)s/code",
   "webkit_trunk": "http://src.chromium.org/blink/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
@@ skipping 572 matching lines @@
     "pattern": ".",
     "action": ["python", "src/tools/clang/scripts/update.py", "--mac-only"],
   },
   {
     # Update the cygwin mount on Windows.
     "name": "cygwin",
     "pattern": ".",
     "action": ["python", "src/build/win/setup_cygwin_mount.py", "--win-only"],
   },
   {
     # Update LASTCHANGE. This is also run by export_tarball.py in

[viettrungluu, 2013/10/24 21:06:40]

Does this comment apply?

     # src/tools/export_tarball - please keep them in sync.
     "name": "lastchange",
     "pattern": ".",
     "action": ["python", "src/build/util/lastchange.py",
-               "-o", "src/build/util/LASTCHANGE"],
+               "-o", "src/build/util/LASTCHANGE",
+               "--header=src/build/util/last_change.h",

[viettrungluu, 2013/10/24 21:06:40]

I don't know that it's a great idea to generate a file into the source tree. I'd
ask you to find a way to avoid it, but I guess we already do so for LASTCHANGE.

+               "--define=LAST_CHANGE"],
   },
   {
     # Update LASTCHANGE.blink. This is also run by export_tarball.py in
     # src/tools/export_tarball - please keep them in sync.
     "name": "lastchange",
     "pattern": ".",
     "action": ["python", "src/build/util/lastchange.py",
                "-s", "src/third_party/WebKit",
-               "-o", "src/build/util/LASTCHANGE.blink"],
+               "-o", "src/build/util/LASTCHANGE.blink",
+               "--header=src/build/util/last_change_blink.h",
+               "--define=LAST_CHANGE_BLINK"],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "name": "gyp",
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
   {
     # Check for landmines (reasons to clobber the build).
     "name": "landmines",
     "pattern": ".",
     "action": ["python", "src/build/landmines.py"],
   },
 ]