SkDebugCanvas ignore batch bounds if they are offscreen

include/private/GrAuditTrail.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrAuditTrail_DEFINED
 #define GrAuditTrail_DEFINED
 
@@ skipping 111 matching lines @@
 
     bool isEnabled() { return fEnabled; }
     void setEnabled(bool enabled) { fEnabled = enabled; }
 
     void setClientID(int clientID) { fClientID = clientID; }
 
     // We could just return our internal bookkeeping struct if copying the data out becomes
     // a performance issue, but until then its nice to decouple
     struct BatchInfo {
         SkRect fBounds;
+        uint32_t fRenderTargetUniqueID;
         struct Batch {
             int fClientID;
             SkRect fBounds;
         };
         SkTArray<Batch> fBatches;
     };
 
     void getBoundsByClientID(SkTArray<BatchInfo>* outInfo, int clientID);
 
     void fullReset() {
@@ skipping 19 matching lines @@
         int fChildID;
     };
     typedef SkTArray<SkAutoTDelete<Batch>, true> BatchPool;
 
     typedef SkTArray<Batch*> Batches;
 
     struct BatchNode {
         SkString toJson() const;
         SkRect fBounds;
         Batches fChildren;
+        uint32_t fRenderTargetUniqueID;
     };
     typedef SkTArray<SkAutoTDelete<BatchNode>, true> BatchList;
 
     template <typename T>
     static void JsonifyTArray(SkString* json, const char* name, const T& array,
                               bool addComma);
 
     Batch* fCurrentBatch;
     BatchPool fBatchPool;
     SkTHashMap<GrBatch*, int> fIDLookup;
@@ skipping 20 matching lines @@
 #define GR_AUDIT_TRAIL_ADDBATCH(audit_trail, batchname, bounds) \
     GR_AUDIT_TRAIL_INVOKE_GUARD(audit_trail, addBatch, batchname, bounds);
 
 #define GR_AUDIT_TRAIL_BATCHING_RESULT_COMBINED(audit_trail, combiner) \
     GR_AUDIT_TRAIL_INVOKE_GUARD(audit_trail, batchingResultCombined, combiner);
 
 #define GR_AUDIT_TRAIL_BATCHING_RESULT_NEW(audit_trail, batch) \
     GR_AUDIT_TRAIL_INVOKE_GUARD(audit_trail, batchingResultNew, batch);
 
 #endif