Add RAW decoding support to Skia

gyp/common_variables.gypi

 # Copyright 2012 The Android Open Source Project
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   # Get ready for the ugly...
   #
   # - We have to nest our variables dictionaries multiple levels deep, so that
   #   this and other gyp files can rely on previously-set variable values in
@@ skipping 19 matching lines @@
   #   and NOT inherited by "uncles" (siblings of directly enclosing 'variable'
   #   dicts), so we have to re-define every variable at every enclosure level
   #   within our ridiculous matryoshka doll of 'variable' dicts.  That's why
   #   we have variable definitions like this:  'skia_os%': '<(skia_os)',
   #
   # See http://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi?revision=127004 ,
   # which deals with these same constraints in a similar manner.
   #
   'variables': {  # level 1
     'angle_path%': '../',
+
+    # RAW codec needs exceptions. Due to that, it is a separate target. Its usage can be controlled
+    # by this variable.
+    'skia_codec_decodes_raw%': 1,
+
     'variables': {  # level 2
 
       # Variables needed by conditions list within the level-2 variables dict.
       'variables': {  # level 3
         'variables': { # level 4
           # We use 'skia_os' instead of 'OS' throughout our gyp files, to allow
           # for cross-compilation (e.g. building for either MacOS or iOS on Mac).
           # We set it automatically based on 'OS' (the host OS), but allow the
           # user to override it via GYP_DEFINES if they like.
           'skia_os%': '<(OS)',
@@ skipping 196 matching lines @@
         '-ffast-math',           # Optimize float math even when it breaks IEEE compliance.
         #'-flto'                  # Enable link-time optimization.
     ],
 
     # These are referenced by our .gypi files that list files (e.g. core.gypi)
     #
     'skia_src_path%': '../src',
     'skia_include_path%': '../include',
   },
 }