https://bugs.webkit.org/show_bug.cgi?id=54678

Added two functions for retrieving InstrumentingAgents from Page and WorkerContext.

Reviewed by Pavel Feldman.

* CMakeLists.txt:
* GNUmakefile.list.am:
* WebCore.gypi:
* WebCore.pro:
* WebCore.vcproj/WebCore.vcproj:
* WebCore.xcodeproj/project.pbxproj:
* inspector/InspectorController.cpp:
(WebCore::InspectorController::InspectorController):
(WebCore::InspectorController::inspectedPageDestroyed):
* inspector/InspectorController.h:
* inspector/InspectorInstrumentation.cpp:
(WebCore::InspectorInstrumentation::instrumentingAgentsForPage):
* inspector/InspectorInstrumentation.h:
* inspector/InstrumentingAgents.cpp: Copied from Source/WebCore/inspector/WorkerInspectorController.h.
(WebCore::instrumentationForPage):
(WebCore::instrumentationForWorkerContext):
* inspector/InstrumentingAgents.h:
* inspector/WorkerInspectorController.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@92677 268f45cc-cd09-0410-ab3c-d52691b4dbfc