Add SkBBoxHierarchy::reserve() as an optional size hint.

tests/RecordDrawTest.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 #include "RecordTestUtils.h"
 
@@ skipping 85 matching lines @@
     expected.postConcat(translate);
     REPORTER_ASSERT(r, setMatrix->matrix == expected);
 }
 
 struct TestBBH : public SkBBoxHierarchy {
     virtual void insert(unsigned opIndex, const SkRect& bounds, bool defer) SK_OVERRIDE {
         Entry e = { opIndex, bounds };
         fEntries.push(e);
     }
 
-    virtual void flushDeferredInserts() SK_OVERRIDE {}
     virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE {}
 
     struct Entry {
         unsigned opIndex;
         SkRect bounds;
     };
     SkTDArray<Entry> fEntries;
 };
 
 // Like a==b, with a little slop recognizing that float equality can be weird.
@@ skipping 129 matching lines @@
     // The second bug showed up as adjusting the picture bounds (0,0,50,50) by the drop shadow too.
     // The saveLayer, clipRect, and restore bounds were incorrectly (0,0,70,50).
     TestBBH bbh;
     SkRecordFillBounds(record, &bbh);
     REPORTER_ASSERT(r, bbh.fEntries.count() == 4);
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[0].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[1].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[2].bounds, SkRect::MakeLTRB(0, 0, 40, 40)));
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[3].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
 }