Relanding Skia DEPS roll (reverting the revert)

> Revert 175328
> 
> > Roll Skia DEPS to r7044 & add SK_IGNORE_TRANS_CLAMP_FIX and SK_IGNORE_FAST_SCALEMATRIX_INVERT
> > 
> > control: https://codereview.chromium.org/11791014/
> > Review URL: https://codereview.chromium.org/11779016
> 
> TBR=robertphillips@google.com
> Review URL: https://codereview.chromium.org/11784021

TBR=robertphillips@google.com
Review URL: https://codereview.chromium.org/11779021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@175333 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -29,7 +29,7 @@ vars = {
   "ffmpeg_hash": "0c981b3a572f9257e6178f5572e3f3cd47ac3025",
 
   "sfntly_revision": "134",
-  "skia_revision": "7006",
+  "skia_revision": "7044",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.

skia/skia.gyp

@@ -233,6 +233,8 @@
         'SK_SUPPORT_INT_SRCRECT_DRAWBITMAPRECT',
         'SK_IGNORE_QUAD_STROKE_FIX',
         'SK_IGNORE_TREAT_AS_SPRITE',
+        'SK_IGNORE_TRANS_CLAMP_FIX',
+        'SK_IGNORE_FAST_SCALEMATRIX_INVERT',
       ],
       'sources!': [
         '../third_party/skia/include/core/SkTypes.h',