Move ContentSecurityPolicy to core/frame/csp

Source/core/core.gypi

 {
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/Animation.idl',
             'animation/Player.idl',
             'animation/TimedItem.idl',
             'animation/Timeline.idl',
             'animation/Timing.idl',
             'clipboard/DataTransfer.idl',
@@ skipping 1026 matching lines @@
             'fileapi/FileReaderSync.cpp',
             'fileapi/FileReaderSync.h',
             'fileapi/Stream.cpp',
             'fileapi/Stream.h',
             'frame/BarProp.cpp',
             'frame/BarProp.h',
             'frame/Console.cpp',
             'frame/Console.h',
             'frame/ConsoleBase.cpp',
             'frame/ConsoleBase.h',
-            'frame/ContentSecurityPolicy.cpp',
             'frame/DOMPoint.h',
             'frame/DOMTimer.cpp',
             'frame/DOMTimer.h',
             'frame/DOMWindow.cpp',
             'frame/DOMWindow.h',
             'frame/DOMWindowBase64.cpp',
             'frame/DOMWindowBase64.h',
             'frame/DOMWindowEventHandlers.h',
             'frame/DOMWindowLifecycleNotifier.cpp',
             'frame/DOMWindowLifecycleNotifier.h',
@@ skipping 35 matching lines @@
             'frame/Screen.h',
             'frame/Settings.cpp',
             'frame/SettingsDelegate.cpp',
             'frame/SettingsDelegate.h',
             'frame/SuspendableTimer.cpp',
             'frame/SuspendableTimer.h',
             'frame/UseCounter.cpp',
             'frame/csp/CSPDirectiveList.cpp',
             'frame/csp/CSPSource.cpp',
             'frame/csp/CSPSourceList.cpp',
+            'frame/csp/ContentSecurityPolicy.cpp',
             'frame/csp/MediaListDirective.cpp',
             'frame/csp/SourceListDirective.cpp',
             'inspector/AsyncCallStackTracker.cpp',
             'inspector/AsyncCallStackTracker.h',
             'inspector/BindingVisitors.h',
             'inspector/ConsoleAPITypes.h',
             'inspector/ConsoleMessage.cpp',
             'inspector/ConsoleMessage.h',
             'inspector/ContentSearchUtils.cpp',
             'inspector/ContentSearchUtils.h',
@@ skipping 2181 matching lines @@
             'html/parser/HTMLParserThreadTest.cpp',
             'html/track/vtt/BufferedLineReaderTest.cpp',
             'html/track/vtt/VTTScannerTest.cpp',
             'rendering/RenderOverflowTest.cpp',
             'rendering/shapes/BoxShapeTest.cpp',
             'testing/UnitTestHelpers.cpp',
             'testing/UnitTestHelpers.h',
         ],
     }
 }