Demote getCount, getDepth, and clear to RTree-only methods.

tests/RecordDrawTest.cpp

Index: tests/RecordDrawTest.cpp
diff --git a/tests/RecordDrawTest.cpp b/tests/RecordDrawTest.cpp
index ac3883b2d6b642960e74ca8eded9f7224247ba74..ca75fc90586af2d486495d8a16394394d2121b72 100644
--- a/tests/RecordDrawTest.cpp
+++ b/tests/RecordDrawTest.cpp
@@ -102,13 +102,9 @@ struct TestBBH : public SkBBoxHierarchy {
         Entry e = { opIndex, bounds };
         fEntries.push(e);
     }
-    virtual int getCount() const SK_OVERRIDE { return fEntries.count(); }
 
     virtual void flushDeferredInserts() SK_OVERRIDE {}
-
     virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE {}
-    virtual void clear() SK_OVERRIDE {}
-    virtual int getDepth() const SK_OVERRIDE { return -1; }
 
     struct Entry {
         unsigned opIndex;