Implements JS bindings for mojo data pipe.

third_party/WebKit/Source/core/core_idl_files.gni

Index: third_party/WebKit/Source/core/core_idl_files.gni
diff --git a/third_party/WebKit/Source/core/core_idl_files.gni b/third_party/WebKit/Source/core/core_idl_files.gni
index f473980b6e5fdefa5ff81ad4f35fcb6b2261b0ae..d64f10b88f2ccb3e7305b1f30f45b04d1bce2c1a 100644
--- a/third_party/WebKit/Source/core/core_idl_files.gni
+++ b/third_party/WebKit/Source/core/core_idl_files.gni
@@ -565,13 +565,20 @@ core_dictionary_idl_files =
                     "html/track/TrackEventInit.idl",
                     "imagebitmap/ImageBitmapOptions.idl",
                     "input/InputDeviceCapabilitiesInit.idl",
+                    "mojo/MojoCreateDataPipeOptions.idl",
+                    "mojo/MojoCreateDataPipeResult.idl",
                     "mojo/MojoCreateMessagePipeResult.idl",
                     "mojo/MojoCreateSharedBufferResult.idl",
+                    "mojo/MojoDiscardDataOptions.idl",
                     "mojo/MojoDuplicateBufferHandleOptions.idl",
                     "mojo/MojoHandleSignals.idl",
                     "mojo/MojoMapBufferResult.idl",
+                    "mojo/MojoReadDataOptions.idl",
+                    "mojo/MojoReadDataResult.idl",
                     "mojo/MojoReadMessageFlags.idl",
                     "mojo/MojoReadMessageResult.idl",
+                    "mojo/MojoWriteDataOptions.idl",
+                    "mojo/MojoWriteDataResult.idl",
                     "offscreencanvas/ImageEncodeOptions.idl",
                     "page/scrolling/ScrollStateInit.idl",
                     "timing/PerformanceObserverInit.idl",