Oilpan: Factor out GC-related enum definitions to BlinkGC.h

third_party/WebKit/Source/core/frame/ImageBitmapTest.cpp

Index: third_party/WebKit/Source/core/frame/ImageBitmapTest.cpp
diff --git a/third_party/WebKit/Source/core/frame/ImageBitmapTest.cpp b/third_party/WebKit/Source/core/frame/ImageBitmapTest.cpp
index af8544f84492adf5eedf0c67353d7c634888083a..4f4f25a7b51eeb698413bf042b3150093840f931 100644
--- a/third_party/WebKit/Source/core/frame/ImageBitmapTest.cpp
+++ b/third_party/WebKit/Source/core/frame/ImageBitmapTest.cpp
@@ -72,7 +72,7 @@ protected:
         // Garbage collection is required prior to switching out the
         // test's memory cache; image resources are released, evicting
         // them from the cache.
-        Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGC);
+        Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep, Heap::ForcedGC);
 
         replaceMemoryCacheForTesting(m_globalMemoryCache.release());
     }
@@ -170,7 +170,7 @@ TEST_F(ImageBitmapTest, ImageBitmapLiveResourcePriority)
         ASSERT_EQ(memoryCache()->priority(imageOutsideCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     }
     // Force a garbage collection to sweep out the local ImageBitmaps.
-    Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGC);
+    Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep, Heap::ForcedGC);
 
     // CacheLiveResourcePriroity should return to CacheLiveResourcePriorityLow when no ImageBitmaps reference the image.
     ASSERT_EQ(memoryCache()->priority(imageNoCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);