Split opts_check_arm.cpp into per-class files

gyp/opts.gyp

Index: gyp/opts.gyp
diff --git a/gyp/opts.gyp b/gyp/opts.gyp
index 9fe4023ea621f51b5e9870c0b696966a9f04f428..0d3b2e3d6aae9153f0796976790c536ea16f4f16 100644
--- a/gyp/opts.gyp
+++ b/gyp/opts.gyp
@@ -75,12 +75,14 @@
             'arm_neon_optional%': '<(arm_neon_optional>',
           },
           'sources': [
-            '../src/opts/opts_check_arm.cpp',
             '../src/opts/memset.arm.S',
             '../src/opts/SkBitmapProcState_opts_arm.cpp',
             '../src/opts/SkBlitMask_opts_arm.cpp',
             '../src/opts/SkBlitRow_opts_arm.cpp',
             '../src/opts/SkBlitRow_opts_arm.h',
+            '../src/opts/SkBlurImage_opts_arm.cpp',
+            '../src/opts/SkMorphology_opts_arm.cpp',
+            '../src/opts/SkUtils_opts_arm.cpp',
             '../src/opts/SkXfermode_opts_arm.cpp',
           ],
           'conditions': [