Remove remaining dead code that was used to implement grouped permission drop downs

chrome/browser/ui/cocoa/permission_bubble/permission_bubble_controller_unittest.mm

Index: chrome/browser/ui/cocoa/permission_bubble/permission_bubble_controller_unittest.mm
diff --git a/chrome/browser/ui/cocoa/permission_bubble/permission_bubble_controller_unittest.mm b/chrome/browser/ui/cocoa/permission_bubble/permission_bubble_controller_unittest.mm
index 982c8842c4021927eb077f886485f5330922eae5..0acc057699abf9de02297bab49c0cb9953de9e97 100644
--- a/chrome/browser/ui/cocoa/permission_bubble/permission_bubble_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/permission_bubble/permission_bubble_controller_unittest.mm
@@ -69,7 +69,6 @@ class PermissionBubbleControllerTest : public CocoaProfileTest,
                                        public PermissionPrompt::Delegate {
  public:
 
-  MOCK_METHOD2(ToggleAccept, void(int, bool));
   MOCK_METHOD1(TogglePersist, void(bool));
   MOCK_METHOD0(SetCustomizationMode, void());
   MOCK_METHOD0(Accept, void());
@@ -97,12 +96,6 @@ class PermissionBubbleControllerTest : public CocoaProfileTest,
     return requests_;
   }
 
-  const std::vector<bool>& AcceptStates() override {
-    // TODO(crbug.com/728483): Remove this function.
-    CR_DEFINE_STATIC_LOCAL(std::vector<bool>, accept_states, ());
-    return accept_states;
-  }
-
   void AddRequest(const std::string& title) {
     std::unique_ptr<MockPermissionRequest> request =
         base::MakeUnique<MockPermissionRequest>(
@@ -158,7 +151,6 @@ class PermissionBubbleControllerTest : public CocoaProfileTest,
   std::unique_ptr<PermissionBubbleCocoa> bridge_;
   std::vector<PermissionRequest*> requests_;
   std::vector<std::unique_ptr<PermissionRequest>> owned_requests_;
-  std::vector<bool> accept_states_;
 };
 
 TEST_F(PermissionBubbleControllerTest, ShowAndClose) {