Unit test FindInPageMediator.

ios/clean/chrome/browser/ui/find_in_page/find_in_page_mediator_unittest.mm

Index: ios/clean/chrome/browser/ui/find_in_page/find_in_page_mediator_unittest.mm
diff --git a/ios/clean/chrome/browser/ui/find_in_page/find_in_page_mediator_unittest.mm b/ios/clean/chrome/browser/ui/find_in_page/find_in_page_mediator_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..a147a2bb4c75ea88765338b4fdbb0445a2379d5a
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+++ b/ios/clean/chrome/browser/ui/find_in_page/find_in_page_mediator_unittest.mm
@@ -0,0 +1,42 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "ios/clean/chrome/browser/ui/find_in_page/find_in_page_mediator.h"
+
+#include "base/memory/ptr_util.h"
+#include "ios/chrome/browser/web_state_list/fake_web_state_list_delegate.h"
+#include "ios/chrome/browser/web_state_list/web_state_list.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+#import "third_party/ocmock/OCMock/OCMock.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+namespace {
+
+class FindInPageMediatorTest : public PlatformTest {
+ public:
+  FindInPageMediatorTest() {
+    web_state_list_ = base::MakeUnique<WebStateList>(&web_state_list_delegate_);
+    provider_ = [OCMockObject
+        niceMockForProtocol:@protocol(FindInPageConsumerProvider)];
+  }
+
+ protected:
+  std::unique_ptr<WebStateList> web_state_list_;
+  FakeWebStateListDelegate web_state_list_delegate_;
+  id provider_;
+};
+
+}  // namespace
+
+TEST_F(FindInPageMediatorTest, Init) {
+  FindInPageMediator* mediator =
+      [[FindInPageMediator alloc] initWithWebStateList:web_state_list_.get()
+                                              provider:provider_
+                                            dispatcher:nil];
+  [mediator self];
+}