MediaRouterAction: Only observe Media Routes when there is a local route.

chrome/browser/ui/toolbar/media_router_action_unittest.cc

Index: chrome/browser/ui/toolbar/media_router_action_unittest.cc
diff --git a/chrome/browser/ui/toolbar/media_router_action_unittest.cc b/chrome/browser/ui/toolbar/media_router_action_unittest.cc
index c10392f24da96198e7d7f62ad2dee1bee2c70a25..0e8e1be13c18676d06f1c7332a6144fc2424cea6 100644
--- a/chrome/browser/ui/toolbar/media_router_action_unittest.cc
+++ b/chrome/browser/ui/toolbar/media_router_action_unittest.cc
@@ -96,20 +96,6 @@ class MediaRouterActionUnitTest : public MediaRouterTest {
             std::string())),
         fake_source1_("fakeSource1"),
         fake_source2_("fakeSource2"),
-        fake_route_local_("route1",
-                          fake_source1_,
-                          "fakeSink1",
-                          "desc1",
-                          true,
-                          "path.html",
-                          false),
-        fake_route_remote_("route2",
-                           fake_source2_,
-                           "fakeSink2",
-                           "desc2",
-                           false,
-                           "path.html",
-                           true),
         active_icon_(ui::ResourceBundle::GetSharedInstance().GetImageNamed(
             IDR_MEDIA_ROUTER_ACTIVE_ICON)),
         error_icon_(ui::ResourceBundle::GetSharedInstance().GetImageNamed(
@@ -142,12 +128,6 @@ class MediaRouterActionUnitTest : public MediaRouterTest {
   const media_router::Issue* fake_issue_fatal() {
     return &fake_issue_fatal_;
   }
-  const media_router::MediaRoute fake_route_local() {
-    return fake_route_local_;
-  }
-  const media_router::MediaRoute fake_route_remote() {
-    return fake_route_remote_;
-  }
   const gfx::Image active_icon() { return active_icon_; }
   const gfx::Image error_icon() { return error_icon_; }
   const gfx::Image idle_icon() { return idle_icon_; }
@@ -165,10 +145,6 @@ class MediaRouterActionUnitTest : public MediaRouterTest {
   const media_router::MediaSource fake_source1_;
   const media_router::MediaSource fake_source2_;
 
-  // Fake Routes.
-  const media_router::MediaRoute fake_route_local_;
-  const media_router::MediaRoute fake_route_remote_;
-
   // Cached images.
   const gfx::Image active_icon_;
   const gfx::Image error_icon_;
@@ -214,41 +190,26 @@ TEST_F(MediaRouterActionUnitTest, UpdateIssues) {
                                  action()->GetIcon(nullptr, gfx::Size())));
 }
 
-// Tests the MediaRouterAction state based on updates to routes.
+// Tests the MediaRouterAction state based on updates on whether there are
+// local routes.
 TEST_F(MediaRouterActionUnitTest, UpdateRoutes) {
-  scoped_ptr<std::vector<media_router::MediaRoute>> routes(
-      new std::vector<media_router::MediaRoute>());
-
   // Initially, there are no routes.
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       idle_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
   // Update |current_icon_| since there is a local route.
-  routes->push_back(fake_route_local());
-  routes->push_back(fake_route_remote());
-  action()->OnRoutesUpdated(*routes.get());
+  action()->SetHasLocalRoute(true);
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       active_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
-  // Update |current_icon_| since there are no more local routes.
-  routes->clear();
-  routes->push_back(fake_route_remote());
-  action()->OnRoutesUpdated(*routes.get());
-  EXPECT_TRUE(gfx::test::AreImagesEqual(
-      idle_icon(), action()->GetIcon(nullptr, gfx::Size())));
-
-  // |current_icon_| stays the same if there are no local routes or no routes.
-  routes->clear();
-  action()->OnRoutesUpdated(*routes.get());
+  // Update |current_icon_| since there are no local routes.
+  action()->SetHasLocalRoute(false);
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       idle_icon(), action()->GetIcon(nullptr, gfx::Size())));
 }
 
 // Tests the MediaRouterAction icon based on updates to both issues and routes.
 TEST_F(MediaRouterActionUnitTest, UpdateIssuesAndRoutes) {
-  scoped_ptr<std::vector<media_router::MediaRoute>> routes(
-      new std::vector<media_router::MediaRoute>());
-
   // Initially, there are no issues or routes.
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       idle_icon(), action()->GetIcon(nullptr, gfx::Size())));
@@ -260,15 +221,12 @@ TEST_F(MediaRouterActionUnitTest, UpdateIssuesAndRoutes) {
       idle_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
   // Non-local routes also do not have an effect on |current_icon_|.
-  routes->push_back(fake_route_remote());
-  action()->OnRoutesUpdated(*routes.get());
+  action()->SetHasLocalRoute(false);
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       idle_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
   // Update |current_icon_| since there is a local route.
-  routes->clear();
-  routes->push_back(fake_route_local());
-  action()->OnRoutesUpdated(*routes.get());
+  action()->SetHasLocalRoute(true);
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       active_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
@@ -278,11 +236,8 @@ TEST_F(MediaRouterActionUnitTest, UpdateIssuesAndRoutes) {
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       warning_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
-  // Swapping the local route for a non-local one makes no difference to the
-  // |current_icon_|.
-  routes->clear();
-  routes->push_back(fake_route_remote());
-  action()->OnRoutesUpdated(*routes.get());
+  // Closing a local route makes no difference to |current_icon_|.
+  action()->SetHasLocalRoute(false);
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       warning_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
@@ -292,9 +247,7 @@ TEST_F(MediaRouterActionUnitTest, UpdateIssuesAndRoutes) {
       error_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
   // Fatal issues still take precedent over local routes.
-  routes->clear();
-  routes->push_back(fake_route_local());
-  action()->OnRoutesUpdated(*routes.get());
+  action()->SetHasLocalRoute(true);
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       error_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
@@ -304,11 +257,8 @@ TEST_F(MediaRouterActionUnitTest, UpdateIssuesAndRoutes) {
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       active_icon(), action()->GetIcon(nullptr, gfx::Size())));
 
-  // Update |current_icon_| when the local route is swapped out for a non-local
-  // route.
-  routes->clear();
-  routes->push_back(fake_route_remote());
-  action()->OnRoutesUpdated(*routes.get());
+  // Update |current_icon_| when the local route is closed.
+  action()->SetHasLocalRoute(false);
   EXPECT_TRUE(gfx::test::AreImagesEqual(
       idle_icon(), action()->GetIcon(nullptr, gfx::Size())));
 }