Fix unit test style in Source/platform/, part 2.

Source/platform/scheduler/CancellableTaskFactoryTest.cpp

Index: Source/platform/scheduler/CancellableTaskFactoryTest.cpp
diff --git a/Source/platform/scheduler/CancellableTaskFactoryTest.cpp b/Source/platform/scheduler/CancellableTaskFactoryTest.cpp
index 80ab07c0546cc74f56c27a07ffeca79457e3e9e1..dbb1e9a182f69afd8476c6a2bd6ddb0252986f94 100644
--- a/Source/platform/scheduler/CancellableTaskFactoryTest.cpp
+++ b/Source/platform/scheduler/CancellableTaskFactoryTest.cpp
@@ -7,12 +7,9 @@
 
 #include <gtest/gtest.h>
 
-using blink::CancellableTaskFactory;
-using blink::WebThread;
+namespace blink {
 
-namespace {
-
-typedef testing::Test CancellableTaskFactoryTest;
+using CancellableTaskFactoryTest = testing::Test;
 
 TEST_F(CancellableTaskFactoryTest, IsPending_TaskNotCreated)
 {
@@ -168,4 +165,4 @@ TEST_F(CancellableTaskFactoryTest, CreatingANewTaskCancelsPreviousOnes)
     EXPECT_EQ(1, executionCount);
 }
 
-} // namespace
+} // namespace blink