Revert of Rename Heap to ThreadHeap

third_party/WebKit/Source/platform/LifecycleContextTest.cpp

Index: third_party/WebKit/Source/platform/LifecycleContextTest.cpp
diff --git a/third_party/WebKit/Source/platform/LifecycleContextTest.cpp b/third_party/WebKit/Source/platform/LifecycleContextTest.cpp
index 8835ab96d485d5ec37c05e12f7c71b17a5392a27..7dcbd72cb7c3972f36e107b23aebf3cf84484d1f 100644
--- a/third_party/WebKit/Source/platform/LifecycleContextTest.cpp
+++ b/third_party/WebKit/Source/platform/LifecycleContextTest.cpp
@@ -102,7 +102,7 @@
     EXPECT_FALSE(observer->contextDestroyedCalled());
     context->notifyContextDestroyed();
     context = nullptr;
-    ThreadHeap::collectAllGarbage();
+    Heap::collectAllGarbage();
     EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
     EXPECT_TRUE(observer->contextDestroyedCalled());
 }
@@ -114,7 +114,7 @@
     observer->unobserve();
     context->notifyContextDestroyed();
     context = nullptr;
-    ThreadHeap::collectAllGarbage();
+    Heap::collectAllGarbage();
     EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
     EXPECT_FALSE(observer->contextDestroyedCalled());
 }
@@ -136,7 +136,7 @@
     context->notifyContextDestroyed();
     EXPECT_EQ(observer->innerObserver(), nullptr);
     context = nullptr;
-    ThreadHeap::collectAllGarbage();
+    Heap::collectAllGarbage();
     EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
     EXPECT_TRUE(observer->contextDestroyedCalled());
 }