Classify memory usage by allocated type in Deep Memory Profiler.

tools/deep_memory_profiler/policy.t0.json

Index: tools/deep_memory_profiler/policy.t0.json
diff --git a/tools/deep_memory_profiler/policy.l1.json b/tools/deep_memory_profiler/policy.t0.json
similarity index 77%
copy from tools/deep_memory_profiler/policy.l1.json
copy to tools/deep_memory_profiler/policy.t0.json
index f300b90677c1dd777733ffd2d66e3653486a5ca5..c855582f12298ad70dd7fc48806fd4046666d362 100644
--- a/tools/deep_memory_profiler/policy.l1.json
+++ b/tools/deep_memory_profiler/policy.t0.json
@@ -13,16 +13,15 @@
     "nonprofiled-stack",
     "nonprofiled-other",
     "no-bucket",
-    "mmap-v8-heap-newspace",
-    "mmap-v8-heap-coderange",
-    "mmap-v8-heap-pagedspace",
-    "mmap-v8-other",
+    "mmap-v8",
     "mmap-catch-all",
-    "tc-v8",
-    "tc-skia",
-    "tc-webkit-catch-all",
-    "tc-unknown-string",
-    "tc-catch-all",
+    "tc-std-string",
+    "tc-WTF-string",
+    "tc-WTF-element",
+    "tc-WebCore-XHR",
+    "tc-std-pair",
+    "tc-no-type",
+    "tc-used-other",
     "tc-unused",
     "UNTIL_HERE_FOR_TOTAL",
     "total-exclude-profiler",
@@ -103,53 +102,55 @@
       "allocator": "optional"
     },
     {
-      "name": "mmap-v8-heap-newspace",
-      "stacktrace": ".*v8::internal::NewSpace::SetUp.*",
-      "allocator": "mmap"
-    },
-    {
-      "name": "mmap-v8-heap-coderange",
-      "stacktrace": ".*v8::internal::CodeRange::SetUp.*",
+      "name": "mmap-v8",
+      "stacktrace": ".*v8::.*",
       "allocator": "mmap"
     },
     {
-      "name": "mmap-v8-heap-pagedspace",
-      "stacktrace": ".*v8::internal::PagedSpace::AllocateRaw.*",
+      "name": "mmap-catch-all",
+      "stacktrace": ".*",
       "allocator": "mmap"
     },
     {
-      "name": "mmap-v8-other",
-      "stacktrace": ".*v8::.*",
-      "allocator": "mmap"
+      "name": "tc-std-string",
+      "stacktrace": ".*",
+      "typeinfo": "std::basic_string.*",
+      "allocator": "malloc"
     },
     {
-      "name": "mmap-catch-all",
+      "name": "tc-WTF-string",
       "stacktrace": ".*",
-      "allocator": "mmap"
+      "typeinfo": "(WTF::StringImpl|WTF::CStringBuffer|WTF::AtomicString|WTF::String).*",
+      "allocator": "malloc"
     },
     {
-      "name": "tc-v8",
-      "stacktrace": ".*v8::.*",
+      "name": "tc-WTF-element",
+      "stacktrace": ".*",
+      "typeinfo": "WTF::HTML.*Element",
       "allocator": "malloc"
     },
     {
-      "name": "tc-skia",
-      "stacktrace": ".*Sk[A-Za-z_]+::.*",
+      "name": "tc-WebCore-XHR",
+      "stacktrace": ".*",
+      "typeinfo": "WebCore::XMLHttpRequest.*",
       "allocator": "malloc"
     },
     {
-      "name": "tc-webkit-catch-all",
-      "stacktrace": ".*(WTF::|WebCore::|WebKit::).*",
+      "name": "tc-std-pair",
+      "stacktrace": ".*",
+      "typeinfo": "std::pair.*",
       "allocator": "malloc"
     },
     {
-      "name": "tc-unknown-string",
-      "stacktrace": ".*std::basic_string::_Rep::_S_create.*",
+      "name": "tc-no-type",
+      "stacktrace": ".*",
+      "typeinfo": "no typeinfo",
       "allocator": "malloc"
     },
     {
-      "name": "tc-catch-all",
+      "name": "tc-used-other",
       "stacktrace": ".*",
+      "typeinfo": ".*",
       "allocator": "malloc"
     },
     {
@@ -193,5 +194,5 @@
       "allocator": "optional"
     }
   ],
-  "version": "POLICY_DEEP_3"
+  "version": "POLICY_DEEP_4"
 }