Roll reference builds to r221697.

chrome_linux/resources/inspector/timelinePanel.css

Index: chrome_linux/resources/inspector/timelinePanel.css
===================================================================
--- chrome_linux/resources/inspector/timelinePanel.css	(revision 221742)
+++ chrome_linux/resources/inspector/timelinePanel.css	(working copy)
@@ -49,11 +49,6 @@
     top: 20px;
 }
 
-.timeline-sidebar-background {
-    top: 90px;
-    bottom: 0;
-}
-
 #timeline-overview-separator {
     position: absolute;
     top: 80px;
@@ -68,9 +63,9 @@
 #timeline-overview-sidebar {
     position: absolute;
     width: 200px;
-    top: 0px;
-    bottom: 0px;
-    left: 0px;
+    top: 0;
+    bottom: 0;
+    left: 0;
     padding-top: 2px;
     background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(rgb(242, 242, 242)), to(rgb(209, 209, 209)));
     border-right: 1px solid rgb(163, 163, 163);
@@ -89,11 +84,11 @@
 }
 
 .timeline-frame-overview .overview-grid-window {
-    bottom: 0;
+    height: 80px;
 }
 
 .timeline-frame-overview .overview-grid-dividers-background {
-    bottom: 0;
+    height: 80px;
 }
 
 #timeline-overview-grid #resources-graphs {
@@ -182,7 +177,7 @@
 .timeline-category-checkbox-checked {
     background-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-tree-item {
     height: 18px;
@@ -225,7 +220,7 @@
 .timeline-expandable-arrow {
     background-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-expandable-collapsed .timeline-expandable-arrow {
     background-position: -4px -96px;
@@ -280,7 +275,7 @@
 .timeline-tree-item.child-warning::after {
     background-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-tree-item.child-warning::after {
     opacity: 0.5;
@@ -327,7 +322,7 @@
     height: 18px;
     padding: 0 5px;
     white-space: nowrap;
-    margin-top: 0px;
+    margin-top: 0;
     border-top: 1px solid transparent;
     overflow: hidden;
     pointer-events: none;
@@ -357,7 +352,7 @@
 
 .timeline-graph-bar.with-children {
     opacity: 0.25;
-    box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.4);
+    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
 }
 
 .timeline-graph-bar.cpu {
@@ -385,7 +380,7 @@
 }
 
 .popover .timeline-aggregated-category.timeline-loading {
-    margin-left: 0px;
+    margin-left: 0;
 }
 
 .garbage-collect-status-bar-item .glyph {
@@ -481,7 +476,7 @@
 #timeline-overview-sidebar .icon {
     -webkit-mask-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-overview-sidebar-events .icon {
     -webkit-mask-position: -192px -48px;