Added a views::test::TestInkDropAnimationObserverHelper

ui/views/animation/test/test_ink_drop_animation_observer.h

Index: ui/views/animation/test/test_ink_drop_animation_observer.h
diff --git a/ui/views/animation/test/test_ink_drop_animation_observer.h b/ui/views/animation/test/test_ink_drop_animation_observer.h
index 7ce6dc6985aadd0dbd2221c48e7bee6ba7b244e8..8c0bce0945e4dc2942a4d2176da4ec1dab339796 100644
--- a/ui/views/animation/test/test_ink_drop_animation_observer.h
+++ b/ui/views/animation/test/test_ink_drop_animation_observer.h
@@ -8,6 +8,7 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/views/animation/ink_drop_animation_observer.h"
 #include "ui/views/animation/ink_drop_state.h"
+#include "ui/views/animation/test/test_ink_drop_animation_observer_helper.h"
 
 namespace views {
 class InkDropAnimation;
@@ -17,7 +18,9 @@ namespace test {
 // Simple InkDropAnimationObserver test double that tracks if
 // InkDropAnimationObserver methods are invoked and the parameters used for the
 // last invocation.
-class TestInkDropAnimationObserver : public InkDropAnimationObserver {
+class TestInkDropAnimationObserver
+    : public InkDropAnimationObserver,
+      public TestInkDropAnimationObserverHelper<InkDropState> {
  public:
   TestInkDropAnimationObserver();
   ~TestInkDropAnimationObserver() override;
@@ -26,26 +29,6 @@ class TestInkDropAnimationObserver : public InkDropAnimationObserver {
     ink_drop_animation_ = ink_drop_animation;
   }
 
-  int last_animation_started_ordinal() const {
-    return last_animation_started_ordinal_;
-  }
-
-  int last_animation_ended_ordinal() const {
-    return last_animation_ended_ordinal_;
-  }
-
-  InkDropState last_animation_state_started() const {
-    return last_animation_state_started_;
-  }
-
-  InkDropState last_animation_state_ended() const {
-    return last_animation_state_ended_;
-  }
-
-  InkDropAnimationEndedReason last_animation_ended_reason() const {
-    return last_animation_ended_reason_;
-  }
-
   InkDropState target_state_at_last_animation_started() const {
     return target_state_at_last_animation_started_;
   }
@@ -54,59 +37,14 @@ class TestInkDropAnimationObserver : public InkDropAnimationObserver {
     return target_state_at_last_animation_ended_;
   }
 
-  //
-  // Collection of assertion predicates to be used with GTest test assertions.
-  // i.e. EXPECT_TRUE/EXPECT_FALSE and the ASSERT_ counterparts.
-  //
-  // Example:
-  //
-  //   TestInkDropAnimationObserver observer;
-  //   observer.set_ink_drop_animation(ink_drop_animation);
-  //   EXPECT_TRUE(observer.AnimationHasNotStarted());
-  //
-
-  // Passes *_TRUE assertions when an InkDropAnimationStarted() event has been
-  // observed.
-  testing::AssertionResult AnimationHasStarted();
-
-  // Passes *_TRUE assertions when an InkDropAnimationStarted() event has NOT
-  // been observed.
-  testing::AssertionResult AnimationHasNotStarted();
-
-  // Passes *_TRUE assertions when an InkDropAnimationEnded() event has been
-  // observed.
-  testing::AssertionResult AnimationHasEnded();
-
-  // Passes *_TRUE assertions when an InkDropAnimationEnded() event has NOT been
-  // observed.
-  testing::AssertionResult AnimationHasNotEnded();
-
-  // InkDropAnimation:
-  void InkDropAnimationStarted(InkDropState ink_drop_state) override;
-  void InkDropAnimationEnded(InkDropState ink_drop_state,
-                             InkDropAnimationEndedReason reason) override;
+  // InkDropAnimationObserver:
+  void AnimationStarted(InkDropState ink_drop_state) override;
+  void AnimationEnded(InkDropState ink_drop_state,
+                      InkDropAnimationEndedReason reason) override;
 
  private:
-  // Returns the next event ordinal. The first returned ordinal will be 1.
-  int GetNextOrdinal() const;
-
-  // The ordinal time of the last InkDropAnimationStarted() event.
-  int last_animation_started_ordinal_;
-
-  // The ordinal time of the last InkDropAnimationended() event.
-  int last_animation_ended_ordinal_;
-
-  // The |ink_drop_state| parameter used for the last invocation of
-  // InkDropAnimationStarted(). Only valid if |animation_started_| is true.
-  InkDropState last_animation_state_started_;
-
-  // The |ink_drop_state| parameter used for the last invocation of
-  // InkDropAnimationEnded(). Only valid if |animation_ended_| is true.
-  InkDropState last_animation_state_ended_;
-
-  // The |reason| parameter used for the last invocation of
-  // InkDropAnimationEnded(). Only valid if |animation_ended_| is true.
-  InkDropAnimationEndedReason last_animation_ended_reason_;
+  // The type as this inherits from. Reduces verbosity in .cc file.
+  using ObserverHelper = TestInkDropAnimationObserverHelper<InkDropState>;
 
   // The value of InkDropAnimation::GetTargetInkDropState() the last time an
   // InkDropAnimationStarted() event was handled. This is only valid if
@@ -114,7 +52,7 @@ class TestInkDropAnimationObserver : public InkDropAnimationObserver {
   InkDropState target_state_at_last_animation_started_;
 
   // The value of InkDropAnimation::GetTargetInkDropState() the last time an
-  // InkDropAnimationEnded() event was handled. This is only valid if
+  // AnimationEnded() event was handled. This is only valid if
   // |ink_drop_animation_| is not null.
   InkDropState target_state_at_last_animation_ended_;