Add documentation for platform/bindings

third_party/WebKit/Source/platform/bindings/V8ValueCache.h

Index: third_party/WebKit/Source/platform/bindings/V8ValueCache.h
diff --git a/third_party/WebKit/Source/platform/bindings/V8ValueCache.h b/third_party/WebKit/Source/platform/bindings/V8ValueCache.h
index f34d4b0ef4f2559471daac8fb146637fc0404e14..79f0f112361e65565a67dfe577a476ef64f068c3 100644
--- a/third_party/WebKit/Source/platform/bindings/V8ValueCache.h
+++ b/third_party/WebKit/Source/platform/bindings/V8ValueCache.h
@@ -74,6 +74,8 @@ class StringCacheMapTraits
   static void DisposeWeak(const v8::WeakCallbackInfo<WeakCallbackDataType>&);
 };
 
+// This class creates and caches v8::String objects. StringCache is held and can

[jbroman, 2017/04/28 19:07:03]

nit: Maybe expand slightly to clarify that it caches v8::String objects
corresponding to WTF::StringImpls (i.e. String/AtomicString)?

[adithyas, 2017/04/28 20:19:43]

Ok updated, WDYT?

+// be retrieved from V8PerIsolateData.
 class PLATFORM_EXPORT StringCache {
   USING_FAST_MALLOC(StringCache);
   WTF_MAKE_NONCOPYABLE(StringCache);