plan_blink_move.py: Rename files in core/css/properties.

Now all classes for all CSS properties are generated. There are no
blockers of renaming.

Bug: 578345
Change-Id: I808acbb19c63e8af36be2c9aa7f0ccc0c9c03c32
Reviewed-on: https://chromium-review.googlesource.com/950626Reviewed-by: Quinten Yearsley <qyearsley@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541272}

third_party/blink/tools/plan_blink_move.py

@@ -38,10 +38,6 @@ def relative_dest(fs, filename):
                 or basename == 'PerformanceMonitor'
                 or basename == 'PlatformTraceEventsAgent'):
             return dest
-        # Skip CSSProperty*. Some files are generated, and some files are
-        # checked-in. It's hard to handle them automatically.
-        if re.search(r'css[\\/]properties$', dirname):
-            return dest
         if filename.endswith('.cpp'):
             ext = '.cc'
         # WebKit.h should be renamed to blink.h.