[tracing] Heap dump UI overhaul

tracing/trace_viewer.gypi

 # Copyright (c) 2015 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.
 
 {
   'variables': {
     'tracing_css_files': [
       'tracing/ui/base/line_chart.css',
       'tracing/ui/base/list_view.css',
       'tracing/ui/base/pie_chart.css',
@@ skipping 264 matching lines @@
       'tracing/ui/analysis/analysis_link.html',
       'tracing/ui/analysis/analysis_sub_view.html',
       'tracing/ui/analysis/analysis_view.html',
       'tracing/ui/analysis/container_memory_dump_sub_view.html',
       'tracing/ui/analysis/counter_sample_sub_view.html',
       'tracing/ui/analysis/flow_classifier.html',
       'tracing/ui/analysis/frame_power_usage_chart.html',
       'tracing/ui/analysis/generic_object_view.html',
       'tracing/ui/analysis/memory_dump_allocator_details_pane.html',
       'tracing/ui/analysis/memory_dump_header_pane.html',
+      'tracing/ui/analysis/memory_dump_heap_details_breakdown_view.html',
       'tracing/ui/analysis/memory_dump_heap_details_pane.html',
+      'tracing/ui/analysis/memory_dump_heap_details_path_view.html',
+      'tracing/ui/analysis/memory_dump_heap_details_util.html',
       'tracing/ui/analysis/memory_dump_overview_pane.html',
       'tracing/ui/analysis/memory_dump_sub_view_util.html',
       'tracing/ui/analysis/memory_dump_vm_regions_details_pane.html',
       'tracing/ui/analysis/multi_async_slice_sub_view.html',
       'tracing/ui/analysis/multi_cpu_slice_sub_view.html',
       'tracing/ui/analysis/multi_event_details_table.html',
       'tracing/ui/analysis/multi_event_sub_view.html',
       'tracing/ui/analysis/multi_event_summary.html',
       'tracing/ui/analysis/multi_event_summary_table.html',
       'tracing/ui/analysis/multi_flow_event_sub_view.html',
@@ skipping 226 matching lines @@
       'tracing/ui/images/chrome-right.png',
       'tracing/ui/images/ui-states.png',
     ],
     'tracing_files': [
       '<@(tracing_css_files)',
       '<@(tracing_js_html_files)',
       '<@(tracing_img_files)',
     ],
   }
 }