Add CVPixelBufferRef memory tracking

gpu/command_buffer/service/texture_manager.cc

Index: gpu/command_buffer/service/texture_manager.cc
diff --git a/gpu/command_buffer/service/texture_manager.cc b/gpu/command_buffer/service/texture_manager.cc
index 35f80f4e49c5aee83643f57f0cd53f92060bc7ef..68cd6bf3e182ae549100085bb16a2ca101962ac9 100644
--- a/gpu/command_buffer/service/texture_manager.cc
+++ b/gpu/command_buffer/service/texture_manager.cc
@@ -1756,17 +1756,15 @@ void Texture::DumpLevelMemory(base::trace_event::ProcessMemoryDump* pmd,
         continue;
 
       // If a level has a GLImage, ask the GLImage to dump itself.
+      // If a level does not have a GLImage bound to it, then dump the
+      // texture allocation also as the storage is not provided by the
+      // GLImage in that case.
       if (level_infos[level_index].image) {
         level_infos[level_index].image->OnMemoryDump(
             pmd, client_tracing_id,
             base::StringPrintf("%s/face_%d/level_%d", dump_name.c_str(),
                                face_index, level_index));
-      }
-
-      // If a level does not have a GLImage bound to it, then dump the
-      // texture allocation also as the storage is not provided by the
-      // GLImage in that case.
-      if (level_infos[level_index].image_state != BOUND) {
+      } else {
         MemoryAllocatorDump* dump = pmd->CreateAllocatorDump(base::StringPrintf(
             "%s/face_%d/level_%d", dump_name.c_str(), face_index, level_index));
         dump->AddScalar(