Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

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 a6bf28c30aa78f04ac137f3d91497dd906323ded..e6bad740727713a04230d4e43151784a59b1e631 100644
--- a/chrome/browser/ui/toolbar/media_router_action_unittest.cc
+++ b/chrome/browser/ui/toolbar/media_router_action_unittest.cc
@@ -170,9 +170,9 @@ class MediaRouterActionUnitTest : public MediaRouterTest {
  private:
   // A BrowserActionTestUtil object constructed with the associated
   // ToolbarActionsBar.
-  scoped_ptr<BrowserActionTestUtil> browser_action_test_util_;
+  std::unique_ptr<BrowserActionTestUtil> browser_action_test_util_;
 
-  scoped_ptr<TestMediaRouterAction> action_;
+  std::unique_ptr<TestMediaRouterAction> action_;
 
   // The associated ToolbarActionsModel (owned by the keyed service setup).
   ToolbarActionsModel* toolbar_model_;
@@ -336,7 +336,7 @@ TEST_F(MediaRouterActionUnitTest, IconPressedState) {
   action()->SetMediaRouterDialogController(dialog_controller_);
 
   // Create a ToolbarActionViewDelegate to use for MediaRouterAction.
-  scoped_ptr<MockToolbarActionViewDelegate> mock_delegate(
+  std::unique_ptr<MockToolbarActionViewDelegate> mock_delegate(
       new MockToolbarActionViewDelegate());
 
   EXPECT_CALL(*mock_delegate, GetCurrentWebContents()).WillOnce(