Remove TargetedStyleRecalc runtime flag.

LayoutTests/fast/css/invalidation/targeted-id-style-invalidation.html

Index: LayoutTests/fast/css/invalidation/targeted-id-style-invalidation.html
diff --git a/LayoutTests/fast/css/invalidation/targeted-id-style-invalidation.html b/LayoutTests/fast/css/invalidation/targeted-id-style-invalidation.html
index 4b822e3df75e1356d5bc283ea888e67e354b34d8..17d848cfd16b90e908a748aecd1de1bad40d8d60 100644
--- a/LayoutTests/fast/css/invalidation/targeted-id-style-invalidation.html
+++ b/LayoutTests/fast/css/invalidation/targeted-id-style-invalidation.html
@@ -41,47 +41,26 @@ var inner = document.getElementById('inner1on');
 var outer2 = document.getElementById('outer2');
 var outer3 = document.getElementById('outer3');
 
-var count;
-if (internals && internals.runtimeFlags.targetedStyleRecalcEnabled)
-    count = 2;
-else
-    count = 5;
-
 // Style recalc should happen on "inner" and "outer", but not "inner2" or "mid".
 outer.offsetTop;
 outer.id = 'outer1on';
-shouldBe("internals.updateStyleAndReturnAffectedElementCount()", '' + count);
+shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2");
 shouldBe("getComputedStyle(inner).width", '"200px"');
 
-if (internals.runtimeFlags.targetedStyleRecalcEnabled)
-    count = 1;
-else
-    count = 2;
-
 // Style recalc should happen on "inner", but not "innerChild".
 inner.offsetTop;
 inner.id = '';
-shouldBe("internals.updateStyleAndReturnAffectedElementCount()", '' + count);
+shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1");
 shouldBe("getComputedStyle(inner).width", '"100px"');
 
-if (internals.runtimeFlags.targetedStyleRecalcEnabled)
-    count = 1;
-else
-    count = 2;
-
 // Style recalc should happen on "outer2", but not "inner3".
 outer2.offsetTop;
 outer2.id = 'outer2on';
-shouldBe("internals.updateStyleAndReturnAffectedElementCount()", '' + count);
+shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1");
 shouldBe("getComputedStyle(outer2).width", '"150px"');
 
-if (internals.runtimeFlags.targetedStyleRecalcEnabled)
-    count = 1;
-else
-    count = 3;
-
 // Style recalc should happen on "outer3", but none of its children.
 outer3.offsetTop;
 outer3.id = 'outer3on';
-shouldBe("internals.updateStyleAndReturnAffectedElementCount()", '' + count);
+shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1");
 </script>