Use EventHandler for IME

ash/accelerators/magnifier_key_scroller_unittest.cc

Index: ash/accelerators/magnifier_key_scroller_unittest.cc
diff --git a/ash/accelerators/magnifier_key_scroller_unittest.cc b/ash/accelerators/magnifier_key_scroller_unittest.cc
index 69f2273f7154dbce2ac72fac64b78229e03fa216..d24e9c343fb9cba3fecaf20f6c3955d2ae57eaa0 100644
--- a/ash/accelerators/magnifier_key_scroller_unittest.cc
+++ b/ash/accelerators/magnifier_key_scroller_unittest.cc
@@ -63,7 +63,7 @@ TEST_F(MagnifierKeyScrollerTest, Basic) {
   generator.ReleaseKey(ui::VKEY_DOWN, 0);
   EXPECT_EQ("200,150", controller->GetWindowPosition().ToString());
   RunAllPendingInMessageLoop();
-  EXPECT_TRUE(delegate.event());
+  ASSERT_TRUE(delegate.event());
   EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
   delegate.reset();
 
@@ -84,27 +84,27 @@ TEST_F(MagnifierKeyScrollerTest, Basic) {
   controller->SetEnabled(false);
 
   generator.PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
-  EXPECT_TRUE(delegate.event());
+  ASSERT_TRUE(delegate.event());
   EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
   delegate.reset();
 
   generator.ReleaseKey(ui::VKEY_DOWN, 0);
-  EXPECT_TRUE(delegate.event());
+  ASSERT_TRUE(delegate.event());
   EXPECT_EQ(ui::ET_KEY_RELEASED, delegate.event()->type());
   delegate.reset();
 
   generator.PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
-  EXPECT_TRUE(delegate.event());
+  ASSERT_TRUE(delegate.event());
   EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
   delegate.reset();
 
   generator.PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
-  EXPECT_TRUE(delegate.event());
+  ASSERT_TRUE(delegate.event());
   EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
   delegate.reset();
 
   generator.ReleaseKey(ui::VKEY_DOWN, 0);
-  EXPECT_TRUE(delegate.event());
+  ASSERT_TRUE(delegate.event());
   EXPECT_EQ(ui::ET_KEY_RELEASED, delegate.event()->type());
   delegate.reset();
 }