DevTools: introduce protocol::Value, baseline for hierarchical data in remote debugging protocol.

third_party/WebKit/Source/platform/blink_platform.gypi

 {
   'includes': [
     'platform_generated.gypi',
   ],
   'variables': {
     'platform_files': [
       'AsyncFileSystemCallbacks.h',
       'CalculationValue.h',
       'CheckedInt.h',
       'ContentDecryptionModuleResult.h',
@@ skipping 803 matching lines @@
       'image-decoders/png/PNGImageDecoder.cpp',
       'image-decoders/png/PNGImageDecoder.h',
       'image-decoders/webp/WEBPImageDecoder.cpp',
       'image-decoders/webp/WEBPImageDecoder.h',
       'image-encoders/skia/JPEGImageEncoder.cpp',
       'image-encoders/skia/JPEGImageEncoder.h',
       'image-encoders/skia/PNGImageEncoder.cpp',
       'image-encoders/skia/PNGImageEncoder.h',
       'image-encoders/skia/WEBPImageEncoder.cpp',
       'image-encoders/skia/WEBPImageEncoder.h',
+      'inspector_protocol/Parser.cpp',
+      'inspector_protocol/Parser.h',
       'inspector_protocol/FrontendChannel.h',
+      'inspector_protocol/Values.cpp',
+      'inspector_protocol/Values.h',
       'mac/BlockExceptions.h',
       'mac/BlockExceptions.mm',
       'mac/ColorMac.h',
       'mac/ColorMac.mm',
       'mac/KillRingMac.mm',
       'mac/LocalCurrentGraphicsContext.h',
       'mac/LocalCurrentGraphicsContext.mm',
       'mac/NSScrollerImpDetails.h',
       'mac/ScrollAnimatorMac.h',
       'mac/ScrollAnimatorMac.mm',
@@ skipping 231 matching lines @@
       'v8_inspector/V8StringUtil.h',
       'v8_inspector/public/V8EventListenerInfo.h',
       'v8_inspector/public/V8ContentSearchUtil.h',
       'v8_inspector/public/V8Debugger.h',
       'v8_inspector/public/V8DebuggerAgent.h',
       'v8_inspector/public/V8DebuggerClient.h',
       'v8_inspector/public/V8HeapProfilerAgent.h',
       'v8_inspector/public/V8ProfilerAgent.h',
       'v8_inspector/public/V8RuntimeAgent.h',
       'v8_inspector/public/V8StackTrace.h',
+      'v8_inspector/public/V8ToProtocolValue.cpp',
+      'v8_inspector/public/V8ToProtocolValue.h',
       'web_memory_allocator_dump_impl.cc',
       'web_memory_allocator_dump_impl.h',
       'web_memory_dump_provider_adapter.cc',
       'web_memory_dump_provider_adapter.h',
       'web_process_memory_dump_impl.cc',
       'web_process_memory_dump_impl.h',
       'weborigin/DatabaseIdentifier.cpp',
       'weborigin/DatabaseIdentifier.h',
       'weborigin/KURL.cpp',
       'weborigin/KURL.h',
@@ skipping 79 matching lines @@
       'graphics/filters/FilterOperationsTest.cpp',
       'graphics/filters/ImageFilterBuilderTest.cpp',
       'graphics/gpu/DrawingBufferTest.cpp',
       'graphics/paint/DisplayItemClientTest.cpp',
       'graphics/paint/DisplayItemTest.cpp',
       'graphics/paint/PaintArtifactToSkCanvasTest.cpp',
       'graphics/paint/PaintChunkerTest.cpp',
       'graphics/paint/PaintControllerTest.cpp',
       'image-decoders/FastSharedBufferReaderTest.cpp',
       'image-decoders/ImageDecoderTest.cpp',
+      'inspector_protocol/ParserTest.cpp',
       'mac/VersionUtilMacTest.mm',
       'network/EncodedFormDataTest.cpp',
       'network/HTTPParsersTest.cpp',
       'network/ResourceRequestTest.cpp',
       'scheduler/CancellableTaskFactoryTest.cpp',
       'scroll/ScrollableAreaTest.cpp',
       'testing/ArenaTestHelpers.h',
       'testing/TreeTestHelpers.cpp',
       'testing/TreeTestHelpers.h',
       'text/BidiResolverTest.cpp',
@@ skipping 81 matching lines @@
       ['OS!="mac"',
         {
           'platform_test_files': [
             'scroll/ScrollAnimatorTest.cpp',
           ],
         }
       ],
     ],
   },
 }