Created min size for print preview dialog and modified to allow the

components/constrained_window/BUILD.gn

Index: components/constrained_window/BUILD.gn
diff --git a/components/constrained_window/BUILD.gn b/components/constrained_window/BUILD.gn
index ddb6b29354bca439d4c308c6ae292c67d0d9db07..dd6f4961985ede48a66a2f6569c395cbf1f009ef 100644
--- a/components/constrained_window/BUILD.gn
+++ b/components/constrained_window/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/ui.gni")
+
 static_library("constrained_window") {
   sources = [
     "constrained_window_views.cc",
@@ -15,6 +17,10 @@ static_library("constrained_window") {
     "//skia",
     "//ui/views",
   ]
+
+  if (use_aura) {
+    deps += [ "//ui/aura" ]
+  }
 }
 
 source_set("unit_tests") {