[tracing] Whitelist levelDb and webcache dump providers for background mode

base/trace_event/memory_infra_background_whitelist.cc

 // Copyright 2016 The Chromium 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 "base/trace_event/memory_infra_background_whitelist.h"
 
 #include <ctype.h>
 #include <string.h>
 
 #include <string>
 
 namespace base {
 namespace trace_event {
 namespace {
 
 // The names of dump providers whitelisted for background tracing. Dump
 // providers can be added here only if the background mode dump has very
 // less performance and memory overhead.
 const char* const kDumpProviderWhitelist[] = {
     "BlinkGC",
     "ChildDiscardableSharedMemoryManager",
     "DOMStorage",
     "HostDiscardableSharedMemoryManager",
     "IndexedDBBackingStore",
     "JavaHeap",
+    "LevelDB",
     "LeveldbValueStore",
     "Malloc",
+    "MemoryCache",
     "PartitionAlloc",
     "ProcessMemoryMetrics",
     "Skia",
     "Sql",
     "V8Isolate",
     "WinHeap",
     nullptr  // End of list marker.
 };
 
 // A list of string names that are allowed for the memory allocator dumps in
 // background mode.
 const char* const kAllocatorDumpNameWhitelist[] = {
     "blink_gc",
     "blink_gc/allocated_objects",
     "discardable",
     "discardable/child_0x?",
     "dom_storage/0x?/cache_size",
     "dom_storage/session_storage_0x?",
     "java_heap",
     "java_heap/allocated_objects",
     "leveldb/index_db/0x?",
+    "leveldb/leveldb_proto/0x?",
     "leveldb/value_store/Extensions.Database.Open.Settings/0x?",
     "leveldb/value_store/Extensions.Database.Open.Rules/0x?",
     "leveldb/value_store/Extensions.Database.Open.State/0x?",
     "leveldb/value_store/Extensions.Database.Open/0x?",
     "leveldb/value_store/Extensions.Database.Restore/0x?",
     "leveldb/value_store/Extensions.Database.Value.Restore/0x?",
     "malloc",
     "malloc/allocated_objects",
     "malloc/metadata_fragmentation_caches",
+    "web_cache/Image_resources",
+    "web_cache/CSS stylesheet_resources",
+    "web_cache/Script_resources",
+    "web_cache/XSL stylesheet_resources",
+    "web_cache/Font_resources",
+    "web_cache/Other_resources",
     "partition_alloc/allocated_objects",
     "partition_alloc/partitions",
     "partition_alloc/partitions/buffer",
     "partition_alloc/partitions/fast_malloc",
     "partition_alloc/partitions/layout",
     "skia/sk_glyph_cache",
     "skia/sk_resource_cache",
     "sqlite",
     "v8/isolate_0x?/heap_spaces",
     "v8/isolate_0x?/heap_spaces/code_space",
@@ skipping 54 matching lines @@
 void SetDumpProviderWhitelistForTesting(const char* const* list) {
   g_dump_provider_whitelist = list;
 }
 
 void SetAllocatorDumpNameWhitelistForTesting(const char* const* list) {
   g_allocator_dump_name_whitelist = list;
 }
 
 }  // namespace trace_event
 }  // namespace base