Use the SkBitmapHeap to handle SkBitmaps in SkGPipe cross process.

Required moving the LRU handles from SkBitmapHeapEntry to LookupEntry.

Allows simplification of drawBitmap* calls in SkGPipeCanvas.

Review URL: https://codereview.appspot.com/6460073

git-svn-id: http://skia.googlecode.com/svn/trunk@5063 2bbb7eff-a529-9590-31e7-b0007b416f81
4 files changed