[MediaRouter]Wires up issue manager in MediaRouterMojoImpl.

chrome/browser/media/router/test_helper.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_
 
 #include <string>
 #include <vector>
 
+#include "chrome/browser/media/router/issues_observer.h"
 #include "chrome/browser/media/router/media_router.mojom.h"
 #include "chrome/browser/media/router/media_router_mojo_impl.h"
 #include "chrome/browser/media/router/media_routes_observer.h"
 #include "chrome/browser/media/router/media_sinks_observer.h"
 #include "extensions/browser/event_page_tracker.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace media_router {
 
 // Matcher for objects that uses Equals() member function for equality check.
 MATCHER_P(Equals, other, "") {
   return arg.Equals(other);
 }
 
 // Matcher for a sequence of objects that uses Equals() member function for
 // equality check.
 MATCHER_P(SequenceEquals, other, "") {
   if (arg.size() != other.size()) {
     return false;
   }
   for (size_t i = 0; i < arg.size(); ++i) {
     if (!arg[i].Equals(other[i])) {
       return false;
     }
   }
   return true;
 }
 
+class MockIssuesObserver : public IssuesObserver {
+ public:
+  MockIssuesObserver(MediaRouter* router);
+  ~MockIssuesObserver() override;
+
+  MOCK_METHOD1(OnIssueUpdated, void(const Issue* issue));
+};
+
 class MockMediaRouteProvider : public interfaces::MediaRouteProvider {
  public:
   MockMediaRouteProvider();
   ~MockMediaRouteProvider() override;
 
   MOCK_METHOD6(CreateRoute,
                void(const mojo::String& source_urn,
                     const mojo::String& sink_id,
                     const mojo::String& presentation_id,
                     const mojo::String& origin,
@@ skipping 50 matching lines @@
 
   MOCK_METHOD1(IsEventPageSuspended, bool(const std::string& extension_id));
   MOCK_METHOD2(WakeEventPage,
                bool(const std::string& extension_id,
                     const base::Callback<void(bool)>& callback));
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_