Codegen support multiple interfaces in single webidl file & WebGPU single webidl (#30448)

* Codegen support multiple interfaces in single webidl file

* Merge GPU*.webidl into WebGPU.webidl

* Update gpu files to use WebGPUBinding module file

components/script/dom/bindings/codegen/Configuration.py

@@ -364,6 +364,17 @@ class Descriptor(DescriptorProvider):
         config.maxProtoChainLength = max(config.maxProtoChainLength,
                                          len(self.prototypeChain))
 
+    def maybeGetSuperModule(self):
+        """
+        Returns name of super module if self is part of it
+        """
+        filename = getIdlFileName(self.interface)
+        # if interface name is not same as webidl file
+        # webidl is super module for interface
+        if filename.lower() != self.interface.identifier.name.lower() and not self.interface.isIteratorInterface():
+            return filename
+        return None
+
     def binaryNameFor(self, name):
         return self._binaryNames.get(name, name)
 
@@ -459,9 +470,12 @@ def MakeNativeName(name):
     return name[0].upper() + name[1:]
 
 
+def getIdlFileName(object):
+    return os.path.basename(object.location.filename()).split('.webidl')[0]
+
+
 def getModuleFromObject(object):
-    return ('crate::dom::bindings::codegen::Bindings::'
-            + os.path.basename(object.location.filename()).split('.webidl')[0] + 'Binding')
+    return ('crate::dom::bindings::codegen::Bindings::' + getIdlFileName(object) + 'Binding')
 
 
 def getTypesFromDescriptor(descriptor):