[ios clean] Creates ToolsMenu UnitTests

ios/clean/chrome/browser/ui/tools/BUILD.gn

Index: ios/clean/chrome/browser/ui/tools/BUILD.gn
diff --git a/ios/clean/chrome/browser/ui/tools/BUILD.gn b/ios/clean/chrome/browser/ui/tools/BUILD.gn
index 5968c319542e9491c08c7d21882e4a73ca75cfbe..ef463345cff52570f0ed3cd0d5abf5d9ebcbd94d 100644
--- a/ios/clean/chrome/browser/ui/tools/BUILD.gn
+++ b/ios/clean/chrome/browser/ui/tools/BUILD.gn
@@ -45,3 +45,24 @@ source_set("tools_ui") {
     "//ios/third_party/material_components_ios",
   ]
 }
+
+source_set("unit_tests") {
+  testonly = true
+
+  sources = [
+    "tools_coordinator_unittest.mm",
+    "tools_mediator_unittest.mm",
+  ]
+
+  configs += [ "//build/config/compiler:enable_arc" ]
+
+  deps = [
+    ":tools",
+    ":tools_ui",
+    "//base",

[edchin, 2017/04/10 21:16:11]

I don't think you need this. 

[sczs, 2017/04/12 20:10:11]

Good catch! Done!

+    "//base/test:test_support",
+    "//ios/chrome/test/base",
+    "//testing/gtest",
+    "//third_party/ocmock",
+  ]
+}