[inspector] cache stack frame for call sites

src/objects-debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include "src/assembler-inl.h"
 #include "src/bootstrapper.h"
 #include "src/disasm.h"
 #include "src/disassembler.h"
@@ skipping 1296 matching lines @@
   CHECK(IsStackFrameInfo());
   VerifyPointer(script_name());
   VerifyPointer(script_name_or_source_url());
   VerifyPointer(function_name());
 }
 
 void StackTraceInfo::StackTraceInfoVerify() {
   CHECK(IsStackTraceInfo());
   VerifyPointer(frames());
 }
+
+void SourcePositionTableWithFrameCache::
+    SourcePositionTableWithFrameCacheVerify() {
+  CHECK(IsSourcePositionTableWithFrameCache());
+  VerifyPointer(source_position_table());
+  VerifyPointer(stack_frame_cache());
+}
 #endif  // VERIFY_HEAP
 
 #ifdef DEBUG
 
 void JSObject::IncrementSpillStatistics(SpillInformation* info) {
   info->number_of_objects_++;
   // Named properties
   if (HasFastProperties()) {
     info->number_of_objects_with_fast_properties_++;
     info->number_of_fast_used_fields_   += map()->NextFreePropertyIndex();
@@ skipping 276 matching lines @@
 
   // Both are done at the same time.
   CHECK_EQ(new_it.done(), old_it.done());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8