Oilpan: rename GCState and GCReason values to reflect function only.

Source/core/frame/ImageBitmapTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 52 matching lines @@
         m_bitmap2.eraseColor(0xAAAAAAAA);
 
         // Save the global memory cache to restore it upon teardown.
         m_globalMemoryCache = replaceMemoryCacheForTesting(MemoryCache::create());
     }
     virtual void TearDown()
     {
         // 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::ForcedGCForTesting);
+        Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGC);
 
         replaceMemoryCacheForTesting(m_globalMemoryCache.release());
     }
 
     SkBitmap m_bitmap, m_bitmap2;
     OwnPtrWillBePersistent<MemoryCache> m_globalMemoryCache;
 };
 
 // Verifies that the image resource held by an ImageBitmap is the same as the
 // one held by the HTMLImageElement.
@@ skipping 65 matching lines @@
 
         // Images that are referenced by ImageBitmaps have CacheLiveResourcePriorityHigh.
         ASSERT_EQ(memoryCache()->priority(imageNoCrop->cachedImage()), MemoryCacheLiveResourcePriorityHigh);
         ASSERT_EQ(memoryCache()->priority(imageInteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityHigh);
         ASSERT_EQ(memoryCache()->priority(imageExteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityHigh);
 
         // ImageBitmaps that do not contain any of the source image do not elevate CacheLiveResourcePriority.
         ASSERT_EQ(memoryCache()->priority(imageOutsideCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     }
     // Force a garbage collection to sweep out the local ImageBitmaps.
-    Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGCForTesting);
+    Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGC);
 
     // CacheLiveResourcePriroity should return to CacheLiveResourcePriorityLow when no ImageBitmaps reference the image.
     ASSERT_EQ(memoryCache()->priority(imageNoCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     ASSERT_EQ(memoryCache()->priority(imageExteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     ASSERT_EQ(memoryCache()->priority(imageOutsideCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
 
     // There is still an ImageBitmap that references this image.
     ASSERT_EQ(memoryCache()->priority(imageInteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityHigh);
     imageBitmapInteriorCrop = nullptr;
 
@@ skipping 43 matching lines @@
     CanvasContextCreationAttributes attributes;
     CanvasRenderingContext2DOrWebGLRenderingContext context;
     canvasElement->getContext("2d", attributes, context);
     TrackExceptionState exceptionState;
     CanvasImageSourceUnion imageSource;
     imageSource.setImageBitmap(imageBitmapDerived);
     context.getAsCanvasRenderingContext2D()->drawImage(imageSource, 0, 0, exceptionState);
 }
 
 } // namespace