Cleanup of SSE optimization files.

General cleanup of optimization files for x86/SSEx.
Renamed the opts_check_SSE2.cpp file to _x86, since it's not specific
to SSE2. Commented out the ColorRect32 optimization, since it's
disabled anyway, to make it more visible.
Also fixed a lot of indentation, inclusion guards, spelling,
copyright headers, braces, whitespace, and sorting of includes.

Author: henrik.smiding@intel.com

Signed-off-by: Henrik Smiding <henrik.smiding@intel.com>

R=reed@google.com, mtklein@google.com, tomhudson@google.com, djsollen@google.com, joakim.landberg@intel.com

Author: henrik.smiding@intel.com

Review URL: https://codereview.chromium.org/264603002

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@14464 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/opts.gyp b/opts.gyp
index 36af0c4..6ca602c 100644
--- a/opts.gyp
+++ b/opts.gyp
@@ -48,7 +48,7 @@
             'opts_ssse3',
           ],
           'sources': [
-            '../src/opts/opts_check_SSE2.cpp',
+            '../src/opts/opts_check_x86.cpp',
             '../src/opts/SkBitmapProcState_opts_SSE2.cpp',
             '../src/opts/SkBitmapFilter_opts_SSE2.cpp',
             '../src/opts/SkBlitRow_opts_SSE2.cpp',