https://bugs.webkit.org/show_bug.cgi?id=119774

Reviewed by Timothy Hatcher.

Source/WebCore:

Add PageAgent.archive which will return a Base-64 encoded web archive
when successful. In order to then allow saving non-string files, extend
InspectorFrontendHost.save to allow for Base-64 encoded data.

* inspector/Inspector.json:
* inspector/InspectorPageAgent.cpp:
(WebCore::InspectorPageAgent::archive):
* inspector/InspectorPageAgent.h:
Introduce and implement PageAgent.archive. Create a Web Archive of the
page's main frame.

* inspector/InspectorFrontendClient.h:
* inspector/InspectorFrontendClientLocal.h:
(WebCore::InspectorFrontendClientLocal::save):
* inspector/InspectorFrontendHost.cpp:
(WebCore::InspectorFrontendHost::save):
* inspector/InspectorFrontendHost.h:
* inspector/InspectorFrontendHost.idl:
Extend InspectorFrontendHost.save to include a base64Encoded param.

* inspector/front-end/FileManager.js:
* inspector/front-end/InspectorFrontendHostStub.js:
(.WebInspector.InspectorFrontendHostStub.prototype.save):
Misc. updates to the old inspector for function changes.

Source/WebInspectorUI:

* UserInterface/ContentBrowser.js:
(WebInspector.ContentBrowser.prototype._saveDataToFile):
Allow a custom save handler which will do all the work.

* UserInterface/DOMTreeContentView.js:
(WebInspector.DOMTreeContentView):
(WebInspector.DOMTreeContentView.prototype.get supportsSave):
(WebInspector.DOMTreeContentView.prototype.get saveData.saveHandler):
(WebInspector.DOMTreeContentView.prototype.get saveData):
Allow Save keyboard shortcut to download an archive viewing the DOM Tree.

* UserInterface/ResourceTreeElement.js:
(WebInspector.ResourceTreeElement.prototype._updateStatus):
* UserInterface/FrameTreeElement.js:
(WebInspector.FrameTreeElement):
(WebInspector.FrameTreeElement.prototype.updateStatusForMainFrame):
(WebInspector.FrameTreeElement.prototype._mainResourceDidChange):
(WebInspector.FrameTreeElement.prototype._shouldGroupIntoFolders):
(WebInspector.FrameTreeElement.prototype._reloadPageClicked):
(WebInspector.FrameTreeElement.prototype._downloadButtonClicked):
(WebInspector.FrameTreeElement.prototype._updateDownloadButton):
(WebInspector.FrameTreeElement.prototype._pageArchiveStarted):
(WebInspector.FrameTreeElement.prototype._pageArchiveEnded):
Move handling of main frame TreeElement buttons to FrameTreeElement.
Add a Download button, and enable/disable it appropriately.

* UserInterface/ResourceTreeElement.css:
* UserInterface/TreeElementStatusButton.css: Copied from Source/WebInspectorUI/UserInterface/ResourceTreeElement.css.
(.item > .status > .status-button):
(.item > .status > .status-button > svg *):
(.item.selected > .status > .status-button > svg *):
(.item.selected > .status > .status-button:active > svg *):
(.item > .status > .status-button.disabled > svg *):
(.item.selected > .status > .status-button.disabled > svg *):
* UserInterface/TreeElementStatusButton.js: Added.
(WebInspector.TreeElementStatusButton):
(WebInspector.TreeElementStatusButton.prototype.get element):
(WebInspector.TreeElementStatusButton.prototype.get hidden):
(WebInspector.TreeElementStatusButton.prototype.set hidden):
(WebInspector.TreeElementStatusButton.prototype.get enabled):
(WebInspector.TreeElementStatusButton.prototype.set enabled):
(WebInspector.TreeElementStatusButton.prototype._clicked):
Make buttons in the TreeElement status a generic class to share styling
and handling of the buttons. New "disabled" state with even more
transparent is used when the page is downloading.

* UserInterface/Main.html:
* UserInterface/Main.js:
(WebInspector.archiveMainFrame):
(WebInspector.canArchiveMainFrame):
Generic API for archiving the page and determining if you can archive it.

* UserInterface/InspectorBackendCommands.js:
* UserInterface/InspectorFrontendHostStub.js:
(.WebInspector.InspectorFrontendHostStub.prototype.save):
* UserInterface/Images/DownloadArrow.svg: Added.
* Localizations/en.lproj/localizedStrings.js:
Misc. updates and new files.

Source/WebKit/mac:

Update to support InspectorFrontendHost.save's new base64Encoded
parameter. It means the incoming content is binary data, not a string.

* WebCoreSupport/WebInspectorClient.h:
* WebCoreSupport/WebInspectorClient.mm:
(WebInspectorFrontendClient::save):

Source/WebKit2:

Update to support InspectorFrontendHost.save's new base64Encoded
parameter. It means the incoming content is binary data, not a string.

* UIProcess/WebInspectorProxy.cpp:
(WebKit::WebInspectorProxy::save):
* UIProcess/WebInspectorProxy.h:
* UIProcess/WebInspectorProxy.messages.in:
* UIProcess/efl/WebInspectorProxyEfl.cpp:
(WebKit::WebInspectorProxy::platformSave):
* UIProcess/gtk/WebInspectorProxyGtk.cpp:
(WebKit::WebInspectorProxy::platformSave):
* UIProcess/mac/WebInspectorProxyMac.mm:
(WebKit::WebInspectorProxy::platformSave):
* UIProcess/qt/WebInspectorProxyQt.cpp:
(WebKit::WebInspectorProxy::platformSave):
* WebProcess/WebCoreSupport/WebInspectorFrontendClient.cpp:
(WebKit::WebInspectorFrontendClient::save):
* WebProcess/WebCoreSupport/WebInspectorFrontendClient.h:
* WebProcess/WebPage/WebInspector.cpp:
(WebKit::WebInspector::save):
* WebProcess/WebPage/WebInspector.h:

LayoutTests:

* inspector-protocol/page/archive-expected.txt: Added.
* inspector-protocol/page/archive.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154828 268f45cc-cd09-0410-ab3c-d52691b4dbfc