Refactor the Heap into ThreadHeap to prepare for per thread heaps

third_party/WebKit/Source/platform/testing/RunAllTests.cpp

Index: third_party/WebKit/Source/platform/testing/RunAllTests.cpp
diff --git a/third_party/WebKit/Source/platform/testing/RunAllTests.cpp b/third_party/WebKit/Source/platform/testing/RunAllTests.cpp
index a632580b366aae65e2e6e437321baf145ac810f4..9e29ae23916695d47b5fb1e0c79296542654779e 100644
--- a/third_party/WebKit/Source/platform/testing/RunAllTests.cpp
+++ b/third_party/WebKit/Source/platform/testing/RunAllTests.cpp
@@ -61,7 +61,7 @@ double dummyCurrentTime()
 int runTestSuite(base::TestSuite* testSuite)
 {
     int result = testSuite->Run();
-    blink::Heap::collectAllGarbage();
+    blink::ThreadHeap::collectAllGarbage();
     return result;
 }
 
@@ -94,7 +94,7 @@ int main(int argc, char** argv)
         platformConfig.compositorSupport = &compositorSupport;
         blink::TestingPlatformSupport platform(platformConfig);
 
-        blink::Heap::init();
+        blink::ProcessHeap::init();
         blink::ThreadState::attachMainThread();
         blink::ThreadState::current()->registerTraceDOMWrappers(nullptr, nullptr);
         blink::EventTracer::initialize();
@@ -108,7 +108,7 @@ int main(int argc, char** argv)
         result = base::LaunchUnitTests(argc, argv, base::Bind(runTestSuite, base::Unretained(&testSuite)));
 
         blink::ThreadState::detachMainThread();
-        blink::Heap::shutdown();
+        blink::ProcessHeap::shutdown();
     }
     blink::CompositorFactory::shutdown();
     WTF::shutdown();