Expose URL to top level async slices
addressed comments
Merge pull request #642 from xunjieli/exposeURLAsSliceTitle

Expose URL as the title of toplevel async slices
Merge pull request #644 from NghiaNguyen/master

Add WriteHTMLForTraceDataToFile method.
Do not recompute the title of Net async slice if it is redrawn
Merge pull request #646 from xunjieli/netAsyncSliceDoNotRecompute

Do not recompute the title of Net async slice if it is redrawn
Use source type as title for top level events
Merge pull request #649 from xunjieli/source_type_as_title

Use source type as the title for top level events
Remove MeasuringStick
Cleanup gn and gyp files.
Merge pull request #650 from dj2/remove_measuring_stick

Remove MeasuringStick
Remove unused bar-chart class
Merge pull request #651 from dj2/remove_bar_chart

Remove unused bar-chart class
Remvoe bar-chart CSS.
Merge pull request #652 from dj2/remove_bar_chart_css

Remove bar-chart CSS.
Esc key action should be applied only to top level overlay.

We shouldn't hide all the created overlays present in the stack on
the escape key action. Just like click Escape key action should be
applicable only to the overlay at the top of the stack.
Merge pull request #655 from kphanee/esc_key_overlay_action

Esc key action should be applied only to top level overlay.
Fixed the problem
Fixed trace_event_importer_test
Fixed input_latency_test