Use independent property inheritance fast-path for text-align.

third_party/WebKit/LayoutTests/fast/css/invalidation/independent-inheritance-fast-path.html

Index: third_party/WebKit/LayoutTests/fast/css/invalidation/independent-inheritance-fast-path.html
diff --git a/third_party/WebKit/LayoutTests/fast/css/invalidation/independent-inheritance-fast-path.html b/third_party/WebKit/LayoutTests/fast/css/invalidation/independent-inheritance-fast-path.html
index ec04abc405df8e7afb5610c5e529a536dba5105e..981f81cdd1f2fa93af9c66c1631dae1be328d4f9 100644
--- a/third_party/WebKit/LayoutTests/fast/css/invalidation/independent-inheritance-fast-path.html
+++ b/third_party/WebKit/LayoutTests/fast/css/invalidation/independent-inheritance-fast-path.html
@@ -24,6 +24,7 @@ var independent_properties = [
     ["webkitPrintColorAdjust", ["economy", "exact"]],
     ["textTransform", ["capitalize", "uppercase", "lowercase", "none"]],
     ["webkitRtlOrdering", ["logical", "visual"]],
+    ["textAlign", ["start", "left"]],
 ];
 
 independent_properties.forEach(function(test_data)
@@ -82,6 +83,17 @@ independent_properties.forEach(function(test_data)
             assert_equals(getComputedStyle(innermost)[propertyName], value1);
             outer.offsetTop; // Force recalc.
 
+            // Setting inner to value2 and outer to value1 should not propagate value1 to inner.
+            inner.style[propertyName] = value2;
+            outer.offsetTop; // Force recalc.
+            outer.style[propertyName] = value1;
+            assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1, "Only outer should be recalced (2 without fast path)");
+
+            assert_equals(getComputedStyle(outer)[propertyName], value1);
+            assert_equals(getComputedStyle(inner)[propertyName], value2);
+            assert_equals(getComputedStyle(innermost)[propertyName], value2);
+            outer.offsetTop; // Force recalc.
+
             // Clear for next test.
             outer.remove();
         }, "Changing " + propertyName + ", an independent inherited property, propagates correctly with a single style recalc.");