Revert unfinished work of "full-frame-measurement"

third_party/WebKit/PerformanceTests/Layout/subtree-detaching.html

Index: third_party/WebKit/PerformanceTests/Layout/subtree-detaching.html
diff --git a/third_party/WebKit/PerformanceTests/Layout/subtree-detaching.html b/third_party/WebKit/PerformanceTests/Layout/subtree-detaching.html
index f705c30eac31f97559bc429797b169b8c882aa4e..97abd503577a2f952760f566f2fcd91b02335b86 100644
--- a/third_party/WebKit/PerformanceTests/Layout/subtree-detaching.html
+++ b/third_party/WebKit/PerformanceTests/Layout/subtree-detaching.html
@@ -19,7 +19,7 @@ function buildTree()
 
 function setup() {
     wrapper.style.display = "block";
-    PerfTestRunner.forceLayoutOrFullFrame();
+    PerfTestRunner.forceLayout();
 }
 
 function runTest() {
@@ -28,7 +28,7 @@ function runTest() {
     var now = PerfTestRunner.now();
 
     wrapper.style.display = "none";
-    PerfTestRunner.forceLayoutOrFullFrame();
+    PerfTestRunner.forceLayout();
 
     return PerfTestRunner.now() - now;
 }