Update reference builds to r197396.

chrome_linux64/resources/inspector/heapProfiler.css

Index: chrome_linux64/resources/inspector/heapProfiler.css
===================================================================
--- chrome_linux64/resources/inspector/heapProfiler.css	(revision 197568)
+++ chrome_linux64/resources/inspector/heapProfiler.css	(working copy)
@@ -180,6 +180,10 @@
     bottom: 173px;
 }
 
+.reserve-80px-at-top {
+    top: 80px !important;
+}
+
 .heap-snapshot-view .views-container .view {
     position: absolute;
     top: 0;
@@ -252,7 +256,7 @@
 }
 
 .heap-snapshot-help-status-bar-item .glyph {
-    -webkit-mask-position: -160px 0;
+    -webkit-mask-position: -160px -2px;
 }
 
 table.heap-snapshot-help {
@@ -263,3 +267,30 @@
     opacity: 0.6;
 }
 
+#heap-recording-view .heap-snapshot-view {
+    top: 80px;
+}
+
+.overview-container {
+    overflow: hidden;
+    position: absolute;
+    top: 0px;
+    width: 100%;
+    height: 80px;
+}
+
+#heap-recording-overview-grid .resources-dividers-label-bar {
+    pointer-events: auto;
+}
+
+#heap-recording-overview-container {
+    border-bottom: 1px solid rgba(0, 0, 0, 0.3);
+}
+
+.heap-recording-overview-canvas {
+    position: absolute;
+    top: 20px;
+    left: 0;
+    right: 0;
+    bottom: 0;
+}