Refactor histogram-set-view to an MVC pattern.

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/list_view.css',
       'tracing/ui/extras/about_tracing/common.css',
       'tracing/ui/extras/chrome/cc/display_item_list_view.css',
@@ skipping 40 matching lines @@
       'tracing/base/math/quad.html',
       'tracing/base/math/range.html',
       'tracing/base/math/range_utils.html',
       'tracing/base/math/rect.html',
       'tracing/base/math/running_statistics.html',
       'tracing/base/math/sorted_array_utils.html',
       'tracing/base/math/statistics.html',
       'tracing/base/multi_dimensional_view.html',
       'tracing/base/raf.html',
       'tracing/base/scalar.html',
+      'tracing/base/serializable.html',
       'tracing/base/settings.html',
       'tracing/base/sinebow_color_generator.html',
       'tracing/base/task.html',
       'tracing/base/time_display_modes.html',
       'tracing/base/timing.html',
       'tracing/base/unit.html',
       'tracing/base/unit_scale.html',
       'tracing/base/utils.html',
+      'tracing/base/view_state.html',
       'tracing/core/auditor.html',
       'tracing/core/filter.html',
       'tracing/core/scripting_controller.html',
       'tracing/core/scripting_object.html',
       'tracing/extras/android/android_auditor.html',
       'tracing/extras/chrome/blame_context/blame_context.html',
       'tracing/extras/chrome/blame_context/frame_tree_node.html',
       'tracing/extras/chrome/blame_context/render_frame.html',
       'tracing/extras/chrome/blame_context/top_level.html',
       'tracing/extras/chrome/cc/cc.html',
@@ skipping 451 matching lines @@
       'tracing/value/diagnostics/merged_telemetry_info.html',
       'tracing/value/diagnostics/related_event_set.html',
       'tracing/value/diagnostics/related_histogram_breakdown.html',
       'tracing/value/diagnostics/related_histogram_map.html',
       'tracing/value/diagnostics/related_histogram_set.html',
       'tracing/value/diagnostics/revision_info.html',
       'tracing/value/diagnostics/scalar.html',
       'tracing/value/diagnostics/telemetry_info.html',
       'tracing/value/diagnostics/unmergeable_diagnostic_set.html',
       'tracing/value/histogram.html',
+      'tracing/value/histogram_parameter_collector.html',
       'tracing/value/histogram_set.html',
+      'tracing/value/histogram_set_hierarchy.html',
       'tracing/value/ui/breakdown_span.html',
       'tracing/value/ui/buildbot_info_span.html',
       'tracing/value/ui/collected_related_event_set_span.html',
       'tracing/value/ui/device_info_span.html',
       'tracing/value/ui/diagnostic_map_table.html',
       'tracing/value/ui/diagnostic_span.html',
       'tracing/value/ui/generic_diagnostic_span.html',
+      'tracing/value/ui/histogram_set_controls.html',
       'tracing/value/ui/histogram_set_table.html',
       'tracing/value/ui/histogram_set_table_cell.html',
       'tracing/value/ui/histogram_set_table_name_cell.html',
       'tracing/value/ui/histogram_set_table_row.html',
       'tracing/value/ui/histogram_set_view.html',
+      'tracing/value/ui/histogram_set_view_state.html',
       'tracing/value/ui/histogram_span.html',
       'tracing/value/ui/merged_buildbot_info_span.html',
       'tracing/value/ui/merged_device_info_span.html',
       'tracing/value/ui/merged_revision_info_span.html',
       'tracing/value/ui/merged_telemetry_info_span.html',
       'tracing/value/ui/preferred_display_unit.html',
       'tracing/value/ui/related_event_set_span.html',
       'tracing/value/ui/related_histogram_map_span.html',
       'tracing/value/ui/related_histogram_set_span.html',
       'tracing/value/ui/revision_info_span.html',
@@ skipping 12 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)',
     ],
   }
 }