[DevTools] Add minimum size to WebInspector.View.

Source/devtools/front_end/TimelinePanel.js

Index: Source/devtools/front_end/TimelinePanel.js
diff --git a/Source/devtools/front_end/TimelinePanel.js b/Source/devtools/front_end/TimelinePanel.js
index def7b4e04bfe11d934fba4894c127b4d9065e091..a3d7a69435e535974ed4425603cf75ff6ffab955 100644
--- a/Source/devtools/front_end/TimelinePanel.js
+++ b/Source/devtools/front_end/TimelinePanel.js
@@ -103,12 +103,12 @@ WebInspector.TimelinePanel = function()
     this._detailsSplitView = new WebInspector.SplitView(false, true, "timelinePanelDetailsSplitViewState");
     this._detailsSplitView.element.classList.add("timeline-details-split");
     this._detailsSplitView.sidebarElement().classList.add("timeline-details");
-    this._detailsSplitView.setMainElementConstraints(undefined, 40);
     this._detailsView = new WebInspector.TimelineDetailsView();
     this._detailsSplitView.installResizer(this._detailsView.titleElement());
     this._detailsView.show(this._detailsSplitView.sidebarElement());
 
     this._searchableView = new WebInspector.SearchableView(this);
+    this._searchableView.setMinimumSize(new Size(0, 40));
     this._searchableView.element.classList.add("searchable-view");
     this._searchableView.show(this._detailsSplitView.mainElement());