[DevTools] Use special resizing strategy instead of insets.

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index b86e84803df6718bbbc3f9f971c95c91a76cb34c..8d8a27130b1e41cc2f254334dc83360113e232af 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -2141,11 +2141,12 @@ void BrowserView::UpdateDevToolsForContents(
   if (devtools_window_) {
     devtools_web_view_->SetPreferredSize(devtools_window_->GetMinimumSize());
     devtools_web_view_->SetVisible(true);
-    GetContentsLayoutManager()->SetContentsViewInsets(
-        devtools_window_->GetContentsInsets());
+    GetContentsLayoutManager()->SetContentsResizingStrategy(
+        devtools_window_->GetContentsResizingStrategy());
   } else {
     devtools_web_view_->SetVisible(false);
-    GetContentsLayoutManager()->SetContentsViewInsets(gfx::Insets());
+    GetContentsLayoutManager()->SetContentsResizingStrategy(
+        DevToolsContentsResizingStrategy());
   }
   contents_container_->Layout();
 }