Fix extraneous resizing of main WebContents when switching between tabs with

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

Index: chrome/browser/ui/views/frame/browser_view.cc
===================================================================
--- chrome/browser/ui/views/frame/browser_view.cc	(revision 162437)
+++ chrome/browser/ui/views/frame/browser_view.cc	(working copy)
@@ -2536,10 +2536,13 @@
     search_view_controller_->SetTabContents(new_contents);
 #endif
 
+  // Layout for DevTools _before_ setting the main WebContents to avoid
+  // toggling the size of the main WebContents.
+  UpdateDevToolsForContents(new_contents);
+
   if (change_tab_contents)
     contents_container_->SetWebContents(new_contents->web_contents());
 
-  UpdateDevToolsForContents(new_contents);
   if (!browser_->tab_strip_model()->closing_all() && GetWidget()->IsActive() &&
       GetWidget()->IsVisible()) {
     // We only restore focus if our window is visible, to avoid invoking blur