Add WebDialogHelper
Implement EnumerateDirectory
OVERRIDE => override in atom_browser_client.h
Implement RunFileChooser
Upgrade brightray to handle localized string
mac: Add color chooser dialog
aura: Add color chooser dialog
win: Add color chooser dialog
add open devtools api to webview tag
update and document openDevTools on web view.
fix for cpplint
force devtools to show as undocked.
Merge pull request #777 from atom/web-dialog

Implement file dialog and color chooser for <input> tag
Merge branch 'webview-devtools' of https://github.com/project-infinium/atom-shell into project-infinium-webview-devtools
Fix double freeing WebContents
Show devtools for guest page in undocked mode
Also add closeDevTools and isDevToolsOpened for webview
Fix JavaScript errors in webview
Merge pull request #778 from atom/project-infinium-webview-devtools

devtools for webview tags (continue work of #774)
Fixes Event.prevenDefault() not working, closes #771