Update stale links to dvcs.w3.org

third_party/WebKit/Source/core/paint/FilterEffectBuilder.cpp

Index: third_party/WebKit/Source/core/paint/FilterEffectBuilder.cpp
diff --git a/third_party/WebKit/Source/core/paint/FilterEffectBuilder.cpp b/third_party/WebKit/Source/core/paint/FilterEffectBuilder.cpp
index ccb4b0496792004ba6ec5b3f747668aa34155b87..1a164c4bd3c792039c5d8b4f74255f3afb257264 100644
--- a/third_party/WebKit/Source/core/paint/FilterEffectBuilder.cpp
+++ b/third_party/WebKit/Source/core/paint/FilterEffectBuilder.cpp
@@ -67,9 +67,8 @@ inline void lastMatrixRow(Vector<float>& matrix) {
 Vector<float> grayscaleMatrix(double amount) {
   double oneMinusAmount = clampTo(1 - amount, 0.0, 1.0);
 
-  // See
-  // https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html#grayscaleEquivalent
-  // for information on parameters.
+  // See https://drafts.fxtf.org/filters/#grayscaleEquivalent for information on
+  // parameters.
   Vector<float> matrix;
   matrix.reserveInitialCapacity(20);
 
@@ -95,9 +94,8 @@ Vector<float> grayscaleMatrix(double amount) {
 Vector<float> sepiaMatrix(double amount) {
   double oneMinusAmount = clampTo(1 - amount, 0.0, 1.0);
 
-  // See
-  // https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html#sepiaEquivalent
-  // for information on parameters.
+  // See https://drafts.fxtf.org/filters/#sepiaEquivalent for information on
+  // parameters.
   Vector<float> matrix;
   matrix.reserveInitialCapacity(20);