cc: Delay start of scrollbar animation setNeedsRedraw.

cc/scrollbar_animation_controller_linear_fade_unittest.cc

Index: cc/scrollbar_animation_controller_linear_fade_unittest.cc
diff --git a/cc/scrollbar_animation_controller_linear_fade_unittest.cc b/cc/scrollbar_animation_controller_linear_fade_unittest.cc
index e3c2c230f16c1ab0f67d28e6d32ba2cb10de8377..a5c388019a335e1dd0853bfca0327ad21122ed7e 100644
--- a/cc/scrollbar_animation_controller_linear_fade_unittest.cc
+++ b/cc/scrollbar_animation_controller_linear_fade_unittest.cc
@@ -101,14 +101,14 @@ TEST_F(ScrollbarAnimationControllerLinearFadeTest, verifyAwakenByScroll)
     EXPECT_FLOAT_EQ(0, m_scrollbarLayer->opacity());
 }
 
-TEST_F(ScrollbarAnimationControllerLinearFadeTest, verifyForceAwakenByPinch)
+TEST_F(ScrollbarAnimationControllerLinearFadeTest, verifyAwakenByPinch)
 {
     base::TimeTicks time;
+    time += base::TimeDelta::FromSeconds(1);
     m_scrollbarController->didPinchGestureUpdate(time);
     m_scrollbarController->animate(time);
     EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
 
-    time += base::TimeDelta::FromSeconds(1);
     m_scrollbarController->animate(time);
     EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
 
@@ -128,14 +128,14 @@ TEST_F(ScrollbarAnimationControllerLinearFadeTest, verifyForceAwakenByPinch)
 
     time += base::TimeDelta::FromSeconds(1);
     m_scrollbarController->animate(time);
-    EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
+    EXPECT_FLOAT_EQ(2 / 3.0f, m_scrollbarLayer->opacity());
 
     time += base::TimeDelta::FromSeconds(1);
     m_scrollbarController->animate(time);
-    EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
+    EXPECT_FLOAT_EQ(1 / 3.0f, m_scrollbarLayer->opacity());
 
     time += base::TimeDelta::FromSeconds(1);
-    m_scrollbarController->didPinchGestureEnd(time);
+    m_scrollbarController->didPinchGestureUpdate(time);
     m_scrollbarController->animate(time);
     EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());