Revert of Move SkGLContext and some GrGLInterface implementations to skgputest module

src/gpu/gl/debug/GrFakeRefObj.h

Index: src/gpu/gl/debug/GrFakeRefObj.h
diff --git a/src/gpu/gl/debug/GrFakeRefObj.h b/src/gpu/gl/debug/GrFakeRefObj.h
new file mode 100644
index 0000000000000000000000000000000000000000..30580516fa5a0c2955296b31706d000c1bf1920f
--- /dev/null
+++ b/src/gpu/gl/debug/GrFakeRefObj.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrFakeRefObj_DEFINED
+#define GrFakeRefObj_DEFINED
+
+#include "SkTypes.h"
+#include "gl/GrGLInterface.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// This object is used to track the OpenGL objects. We don't use real
+// reference counting (i.e., we don't free the objects when their ref count
+// goes to 0) so that we can detect invalid memory accesses. The refs we
+// are tracking in this class are actually OpenGL's references to the objects
+// not "ours"
+// Each object also gets a unique globally identifying ID
+class GrFakeRefObj : SkNoncopyable {
+public:
+    GrFakeRefObj()
+        : fRef(0)
+        , fMarkedForDeletion(false)
+        , fDeleted(false) {
+
+        // source for globally unique IDs - 0 is reserved!
+        static int fNextID = 0;
+
+        fID = ++fNextID;
+    }
+    virtual ~GrFakeRefObj() {};
+
+    void ref() {
+        fRef++;
+    }
+    void unref() {
+        fRef--;
+        GrAlwaysAssert(fRef >= 0);
+
+        // often in OpenGL a given object may still be in use when the
+        // delete call is made. In these cases the object is marked
+        // for deletion and then freed when it is no longer in use
+        if (0 == fRef && fMarkedForDeletion) {
+            this->deleteAction();
+        }
+    }
+    int getRefCount() const             { return fRef; }
+
+    GrGLuint getID() const              { return fID; }
+
+    void setMarkedForDeletion()         { fMarkedForDeletion = true; }
+    bool getMarkedForDeletion() const   { return fMarkedForDeletion; }
+
+    bool getDeleted() const             { return fDeleted; }
+
+    // The deleteAction fires if the object has been marked for deletion but
+    // couldn't be deleted earlier due to refs
+    virtual void deleteAction() {
+        this->setDeleted();
+    }
+
+protected:
+private:
+    int         fRef;               // ref count
+    GrGLuint    fID;                // globally unique ID
+    bool        fMarkedForDeletion;
+    // The deleted flag is only set when OpenGL thinks the object is deleted
+    // It is obviously still allocated w/in this framework
+    bool        fDeleted;
+
+    // setDeleted should only ever appear in the deleteAction method!
+    void setDeleted()                   { fDeleted = true; }
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// Each class derived from GrFakeRefObj should use this macro to add a
+// factory creation entry point. This entry point is used by the GrGLDebug
+// object to instantiate the various objects
+// all globally unique IDs
+#define GR_DEFINE_CREATOR(className) \
+public:                              \
+    static GrFakeRefObj *create##className() { return new className; }
+
+#endif // GrFakeRefObj_DEFINED