diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/include/images/SkImageRef_GlobalPool.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/include/images/SkImageRef_GlobalPool.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,62 @@
+
+/*
+ * Copyright 2008 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkImageRef_GlobalPool_DEFINED
+#define SkImageRef_GlobalPool_DEFINED
+
+#include "SkImageRef.h"
+
+class SkImageRef_GlobalPool : public SkImageRef {
+public:
+    // if pool is null, use the global pool
+    SkImageRef_GlobalPool(const SkImageInfo&, SkStreamRewindable*,
+                          int sampleSize = 1);
+    virtual ~SkImageRef_GlobalPool();
+
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkImageRef_GlobalPool)
+
+    // API to control the global pool
+
+    /** Return the amount specified as the budget for the cache (in bytes).
+     */
+    static size_t GetRAMBudget();
+
+    /** Set a new budget value for the cache.
+     */
+    static void SetRAMBudget(size_t);
+
+    /** Return how much ram is currently in use by the global cache.
+     */
+    static size_t GetRAMUsed();
+
+    /** Free up (approximately) enough such that the amount used by the cache
+     is <= the specified amount. Since some images may be "in use", the
+     amount actually freed may not always result in a ram usage value <=
+     to the requested amount. In addition, because of the
+     chunky nature of the cache, the resulting usage may be < the requested
+     amount.
+     */
+    static void SetRAMUsed(size_t usageInBytes);
+
+    static void DumpPool();
+
+protected:
+    virtual bool onDecode(SkImageDecoder* codec, SkStreamRewindable* stream,
+                          SkBitmap* bitmap, SkBitmap::Config config,
+                          SkImageDecoder::Mode mode);
+
+    virtual void onUnlockPixels();
+
+    SkImageRef_GlobalPool(SkReadBuffer&);
+
+private:
+    typedef SkImageRef INHERITED;
+};
+
+#endif