Componentize TestToolbarModel

components/toolbar/BUILD.gn

Index: components/toolbar/BUILD.gn
diff --git a/components/toolbar/BUILD.gn b/components/toolbar/BUILD.gn
index 098f41de151d93690b30c2207ae52a4891371e68..4e2ac01b694cc165518371244d98e5eb6f8e79e9 100644
--- a/components/toolbar/BUILD.gn
+++ b/components/toolbar/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")
+
 source_set("toolbar") {
   sources = [
     "toolbar_model.cc",
@@ -14,3 +16,24 @@ source_set("toolbar") {
     "//url",
   ]
 }
+
+source_set("test_support") {
+  testonly = true
+
+  sources = [
+    "test_toolbar_model.cc",
+    "test_toolbar_model.h",
+  ]
+
+  deps = [
+    ":toolbar",
+    "//base",
+    "//components/resources",
+    "//ui/gfx",
+  ]
+
+  if (toolkit_views) {
+    # Needed to get the TOOLKIT_VIEWS define.
+    deps += [ "//ui/views" ]
+  }
+}