Media Controls: take into consideration high margin on some elements.

third_party/WebKit/LayoutTests/platform/mac/media/video-zoom-controls-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/media/video-zoom-controls-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/media/video-zoom-controls-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/media/video-zoom-controls-expected.txt
index 656d5b15ec242ab08b27f6d2991942989b4355bf..4386cfbe6429efe893b858d39ef9bf69010a819a 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/media/video-zoom-controls-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/media/video-zoom-controls-expected.txt
@@ -13,20 +13,16 @@ layer at (57,85) size 240x180
     LayoutBlockFlow {DIV} at (0,132) size 240x48
 layer at (57,85) size 240x117
   LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 240x117
-layer at (57,217) size 240x48 scrollWidth 327 scrollHeight 60
+layer at (57,217) size 240x48
   LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 240x48 [bgcolor=#FAFAFA]
     LayoutButton {INPUT} at (0,0) size 48x48
-    LayoutSlider {INPUT} at (75,22.50) size 37.50x3
-      LayoutFlexibleBox {DIV} at (0,0) size 37.50x3
-        LayoutBlockFlow {DIV} at (-27,-34.50) size 91.50x72
-          LayoutBlockFlow {DIV} at (0,0) size 54x72
-    LayoutButton {INPUT} at (139.50,0) size 48x48
-    LayoutSlider {INPUT} at (214.50,22.50) size 37.50x3
-      LayoutFlexibleBox {DIV} at (0,0) size 37.50x3
-        LayoutBlockFlow {DIV} at (-27,-34.50) size 91.50x72
-          LayoutBlockFlow {DIV} at (37.50,0) size 54x72
-layer at (336,217) size 48x48 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0
-  LayoutButton {INPUT} at (279,0) size 48x48
+    LayoutFlexibleBox {DIV} at (48,0) size 35.03x48 [color=#5A5A5A]
+      LayoutBlockFlow (anonymous) at (0,0) size 35.03x48
+        LayoutText {#text} at (0,13) size 36x21
+          text run at (0,13) width 36: "0:00"
+    LayoutButton {INPUT} at (83.03,0) size 48x48
+layer at (188,217) size 48x48
+  LayoutButton {INPUT} at (131.03,0) size 48x48
 layer at (57,310) size 240x180
   LayoutVideo {VIDEO} at (45,298) size 240x180
 layer at (57,310) size 240x180
@@ -34,17 +30,13 @@ layer at (57,310) size 240x180
     LayoutBlockFlow {DIV} at (0,132) size 240x48
 layer at (57,310) size 240x117
   LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 240x117
-layer at (57,442) size 240x48 scrollWidth 327 scrollHeight 60
+layer at (57,442) size 240x48
   LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 240x48 [bgcolor=#FAFAFA]
     LayoutButton {INPUT} at (0,0) size 48x48
-    LayoutSlider {INPUT} at (75,22.50) size 37.50x3
-      LayoutFlexibleBox {DIV} at (0,0) size 37.50x3
-        LayoutBlockFlow {DIV} at (-27,-34.50) size 91.50x72
-          LayoutBlockFlow {DIV} at (0,0) size 54x72
-    LayoutButton {INPUT} at (139.50,0) size 48x48
-    LayoutSlider {INPUT} at (214.50,22.50) size 37.50x3
-      LayoutFlexibleBox {DIV} at (0,0) size 37.50x3
-        LayoutBlockFlow {DIV} at (-27,-34.50) size 91.50x72
-          LayoutBlockFlow {DIV} at (37.50,0) size 54x72
-layer at (336,442) size 48x48 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0
-  LayoutButton {INPUT} at (279,0) size 48x48
+    LayoutFlexibleBox {DIV} at (48,0) size 35.03x48 [color=#5A5A5A]
+      LayoutBlockFlow (anonymous) at (0,0) size 35.03x48
+        LayoutText {#text} at (0,13) size 36x21
+          text run at (0,13) width 36: "0:00"
+    LayoutButton {INPUT} at (83.03,0) size 48x48
+layer at (188,442) size 48x48 backgroundClip at (188,442) size 48x27 clip at (188,442) size 48x27
+  LayoutButton {INPUT} at (131.03,0) size 48x48