Roll skia r690:r699.

r692 fixes a valgrind error. r691 brings in optional gradient dithering code for 32bit pixels. Disable this in chrome for now.

BUG=41756,69531,69452
TEST=none
TBR=reed

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71607 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -11,7 +11,7 @@ vars = {
   "libjingle_revision": "50",
   "libvpx_revision": "65287",
   "ffmpeg_revision": "70984",
-  "skia_revision": "690",
+  "skia_revision": "699",
 }
 
 deps = {

skia/config/SkUserConfig.h

@@ -129,6 +129,13 @@
 #define SK_SUPPORT_UNITTEST
 #endif
 
+/* If this is not defined, skia dithers gradients. Turning this on will make
+   gradients look better, but might have a performance impact. When it's turned
+   on, several webkit pixel tests will need to be rebaselined, too.
+   http://crbug.com/41756
+ */
+#define SK_DISABLE_DITHER_32BIT_GRADIENT
+
 // ===== Begin Chrome-specific definitions =====
 
 #define SK_SCALAR_IS_FLOAT