Add configurable limit to allocations in heap profiler.

content/browser/devtools/protocol/tracing_handler_unittest.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/json/json_reader.h"
 #include "base/trace_event/trace_config.h"
 #include "base/values.h"
 #include "content/browser/devtools/protocol/tracing_handler.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 namespace devtools {
 namespace tracing {
 
 namespace {
 
 const char kCustomTraceConfigString[] =
   "{"
     "\"enable_argument_filter\":true,"
     "\"enable_sampling\":true,"
     "\"enable_systrace\":true,"
     "\"excluded_categories\":[\"excluded\",\"exc_pattern*\"],"
     "\"included_categories\":[\"included\","
                             "\"inc_pattern*\","
                             "\"disabled-by-default-cc\","
                             "\"disabled-by-default-memory-infra\"],"
     "\"memory_dump_config\":{"
+      "\"heap_profiler_options\":{"
+        "\"breakdown_threshold_bytes\":10240"
+      "},"
       "\"triggers\":["
         "{\"mode\":\"light\",\"periodic_interval_ms\":50},"
         "{\"mode\":\"detailed\",\"periodic_interval_ms\":1000}"
       "]"
     "},"
     "\"record_mode\":\"record-continuously\","
     "\"synthetic_delays\":[\"test.Delay1;16\",\"test.Delay2;32\"]"
   "}";
 
 const char kCustomTraceConfigStringDevToolsStyle[] =
   "{"
     "\"enableArgumentFilter\":true,"
     "\"enableSampling\":true,"
     "\"enableSystrace\":true,"
     "\"excludedCategories\":[\"excluded\",\"exc_pattern*\"],"
     "\"includedCategories\":[\"included\","
                             "\"inc_pattern*\","
                             "\"disabled-by-default-cc\","
                             "\"disabled-by-default-memory-infra\"],"
     "\"memoryDumpConfig\":{"
+      "\"heap_profiler_options\":{"
+        "\"breakdown_threshold_bytes\":10240"
+      "},"
       "\"triggers\":["
         "{\"mode\":\"light\",\"periodicIntervalMs\":50},"
         "{\"mode\":\"detailed\",\"periodicIntervalMs\":1000}"
       "]"
     "},"
     "\"recordMode\":\"recordContinuously\","
     "\"synthetic_delays\":[\"test.Delay1;16\",\"test.Delay2;32\"]"
   "}";
 
 }
 
 TEST(TracingHandlerTest, GetTraceConfigFromDevToolsConfig) {
   std::unique_ptr<base::Value> value =
       base::JSONReader::Read(kCustomTraceConfigStringDevToolsStyle);
   std::unique_ptr<base::DictionaryValue> devtools_style_dict(
       static_cast<base::DictionaryValue*>(value.release()));
 
   base::trace_event::TraceConfig trace_config =
       TracingHandler::GetTraceConfigFromDevToolsConfig(*devtools_style_dict);
 
   EXPECT_STREQ(kCustomTraceConfigString, trace_config.ToString().c_str());
 }
 
 }  // namespace tracing
 }  // namespace devtools
 }  // namespace content