Move blink platform's JSON code into a directory.

third_party/WebKit/Source/platform/blink_platform.gypi

Index: third_party/WebKit/Source/platform/blink_platform.gypi
diff --git a/third_party/WebKit/Source/platform/blink_platform.gypi b/third_party/WebKit/Source/platform/blink_platform.gypi
index 0088d486ce3ff08820b945538b08ed68c80d5901..bc43ea431edd7d412de55917d7162fc17f318dfd 100644
--- a/third_party/WebKit/Source/platform/blink_platform.gypi
+++ b/third_party/WebKit/Source/platform/blink_platform.gypi
@@ -42,10 +42,6 @@
       'Histogram.cpp',
       'Histogram.h',
       'HostWindow.h',
-      'JSONParser.cpp',
-      'JSONParser.h',
-      'JSONValues.cpp',
-      'JSONValues.h',
       'KeyboardCodes.h',
       'KillRing.h',
       'KillRingNone.cpp',
@@ -848,6 +844,10 @@
       'image-encoders/PNGImageEncoder.h',
       'image-encoders/WEBPImageEncoder.cpp',
       'image-encoders/WEBPImageEncoder.h',
+      'json/JSONParser.cpp',
+      'json/JSONParser.h',
+      'json/JSONValues.cpp',
+      'json/JSONValues.h',
       'mac/BlockExceptions.h',
       'mac/BlockExceptions.mm',
       'mac/ColorMac.h',
@@ -1226,7 +1226,6 @@
       'LayoutLocaleTest.cpp',
       'LayoutUnitTest.cpp',
       'LifecycleContextTest.cpp',
-      'JSONParserTest.cpp',
       'PODArenaTest.cpp',
       'PODFreeListArenaTest.cpp',
       'PODIntervalTreeTest.cpp',
@@ -1310,6 +1309,7 @@
       'image-decoders/jpeg/JPEGImageDecoderTest.cpp',
       'image-decoders/webp/WEBPImageDecoderTest.cpp',
       'image-decoders/ico/ICOImageDecoderTest.cpp',
+      'json/JSONParserTest.cpp',
       'mac/VersionUtilMacTest.mm',
       'mojo/KURLSecurityOriginTest.cpp',
       'network/EncodedFormDataTest.cpp',