Remove temporary Skia guard

(SK_SUPPORT_LEGACY_GRADIENT_MATRIX_MATH)

Change-Id: I99305d8dc64a7e4c90baaa6c3b64d907c0469284
Reviewed-on: https://chromium-review.googlesource.com/586633
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Cr-Commit-Position: refs/heads/master@{#490670}

skia/config/SkUserConfig.h

@@ -212,10 +212,6 @@ SK_API void SkDebugf_FileLine(const char* file, int line, bool fatal,
 #define SK_DISABLE_DEFERRED_PROXIES
 #endif
 
-#ifndef SK_SUPPORT_LEGACY_GRADIENT_MATRIX_MATH
-#define SK_SUPPORT_LEGACY_GRADIENT_MATRIX_MATH
-#endif
-
 #ifndef SK_SUPPORT_LEGACY_DELTA_AA
 #define SK_SUPPORT_LEGACY_DELTA_AA
 #endif

third_party/WebKit/LayoutTests/TestExpectations

@@ -2777,6 +2777,13 @@ crbug.com/683800 [ Win7 Debug ] external/wpt/selection/ [ Failure Pass ]
 # CQ and Rebaseline-cl for crrev.com/2626973005 does not include this
 crbug.com/680407 [ Mac ] fast/forms/select/menulist-appearance-basic.html [ NeedsManualRebaseline ]
 
+# To unblock crrev.com/586633
+crbug.com/630695 fast/gradients/css3-radial-gradients.html [ Pass Failure ]
+crbug.com/630695 fast/gradients/radial-centered.html [ Pass Failure ]
+crbug.com/630695 fast/gradients/unprefixed-radial-gradients.html [ Pass Failure ]
+
+
+
 # Importing 'fetch' tests from WPT.
 crbug.com/705490 external/wpt/fetch/api/basic/error-after-response.html [ Timeout Pass ]