Auto generate MediaFeatureNames, its macros and MediaTypeNames

Source/build/scripts/media_feature_symbol.py

Index: Source/build/scripts/media_feature_symbol.py
diff --git a/Source/build/scripts/media_feature_symbol.py b/Source/build/scripts/media_feature_symbol.py
new file mode 100644
index 0000000000000000000000000000000000000000..0077ccbf900bdb1ad99ee92c7cebc5080692625d
--- /dev/null
+++ b/Source/build/scripts/media_feature_symbol.py
@@ -0,0 +1,28 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+def mediaFeatureSymbol(entry, suffix):
+    name = entry['name']
+    if name.startswith('-webkit-'):
+        name = name[8:]
+
+    foundDash = False
+    newName = ""
+    for chr in name:
+        if chr == '-':
+            foundDash = True
+            continue
+        if foundDash:
+            chr = chr.upper()
+            foundDash = False
+        newName = newName + chr
+    newName = newName + suffix
+    return newName
+
+
+def getMediaFeatureSymbolWithSuffix(suffix):
+    def returnedFunction(entry):
+        return mediaFeatureSymbol(entry, suffix)
+    return returnedFunction