[Devtools] Fixed waterfall area for scrollbars

third_party/WebKit/Source/devtools/front_end/network/networkLogView.css

Index: third_party/WebKit/Source/devtools/front_end/network/networkLogView.css
diff --git a/third_party/WebKit/Source/devtools/front_end/network/networkLogView.css b/third_party/WebKit/Source/devtools/front_end/network/networkLogView.css
index ea2e0fd35e9edf2ba65f044dba8c2b3702497003..93470435cfc37ea9c8ead7016611f6ce3af2646b 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/networkLogView.css
+++ b/third_party/WebKit/Source/devtools/front_end/network/networkLogView.css
@@ -72,6 +72,10 @@
     vertical-align: middle;
 }
 
+.network-log-grid.data-grid .corner {
+    display: none;
+}
+
 .network-log-grid.data-grid.small td {
     height: 21px;
 }