DevTools: consolidate protocol generators for front-end, backend and type builder.

third_party/WebKit/Source/platform/inspector_protocol/CodeGenerator.py

Index: third_party/WebKit/Source/platform/inspector_protocol/CodeGenerator.py
diff --git a/third_party/WebKit/Source/platform/inspector_protocol/CodeGenerator.py b/third_party/WebKit/Source/platform/inspector_protocol/CodeGenerator.py
index 57bd6cea47911adae46fbe1d9a00ff449bff0395..8952a946e41123b5b0f9d1a695d8ab266c849384 100644
--- a/third_party/WebKit/Source/platform/inspector_protocol/CodeGenerator.py
+++ b/third_party/WebKit/Source/platform/inspector_protocol/CodeGenerator.py
@@ -88,6 +88,30 @@ def output_file(file_name):
     return open(file_name, "w")
 
 
+def topsort_domains():
+    domains = {}
+    for domain in json_api["domains"]:
+        domains[domain["domain"]] = domain
+
+    processed = set()
+    result = []
+
+    def process(name):
+        if name in processed:
+            return
+        domain = domains[name]
+        deps = []
+        if "depends" in domain:
+            for dep in domain["depends"]:
+                process(dep)
+        result.append(domain)
+        processed.add(name)
+
+    for domain in json_api["domains"]:
+        process(domain["domain"])
+    json_api["domains"] = result
+
+
 def patch_full_qualified_refs():
     def patch_full_qualified_refs_in_domain(json, domain_name):
         if isinstance(json, list):
@@ -239,6 +263,7 @@ def create_type_definitions():
             else:
                 type_definitions[domain["domain"] + "." + type["id"]] = create_primitive_type_definition(type["type"])
 
+topsort_domains()
 patch_full_qualified_refs()
 create_type_definitions()
 
@@ -305,7 +330,5 @@ def generate(class_name):
 
 
 jinja_env = initialize_jinja_env(output_dirname)
-generate("Backend")
 generate("Dispatcher")
-generate("Frontend")
 generate("TypeBuilder")