[DevTools] Generate separate copies of inspector_protocol.

third_party/WebKit/Source/core/inspector/BUILD.gn

Index: third_party/WebKit/Source/core/inspector/BUILD.gn
diff --git a/third_party/WebKit/Source/core/inspector/BUILD.gn b/third_party/WebKit/Source/core/inspector/BUILD.gn
index 9033b6ddbc0498a720d928b7d8f4dd53178082bb..93e89e44aff67197ead1a01fa809dbd3a9208466 100644
--- a/third_party/WebKit/Source/core/inspector/BUILD.gn
+++ b/third_party/WebKit/Source/core/inspector/BUILD.gn
@@ -45,17 +45,15 @@ action("protocol_sources") {
     "../../platform/inspector_protocol/ErrorSupport_cpp.template",
     "../../platform/inspector_protocol/ErrorSupport_h.template",
     "../../platform/inspector_protocol/Exported_h.template",
+    "../../platform/inspector_protocol/Forward_h.template",
     "../../platform/inspector_protocol/FrontendChannel_h.template",
     "../../platform/inspector_protocol/Imported_h.template",
-    "../../platform/inspector_protocol/InspectorProtocol_cpp.template",
     "../../platform/inspector_protocol/Maybe_h.template",
     "../../platform/inspector_protocol/Object_cpp.template",
     "../../platform/inspector_protocol/Object_h.template",
     "../../platform/inspector_protocol/Parser_cpp.template",
     "../../platform/inspector_protocol/Parser_h.template",
-    "../../platform/inspector_protocol/Platform_h.template",
-    "../../platform/inspector_protocol/String16_cpp.template",
-    "../../platform/inspector_protocol/String16_h.template",
+    "../../platform/inspector_protocol/Protocol_cpp.template",
     "../../platform/inspector_protocol/TypeBuilder_cpp.template",
     "../../platform/inspector_protocol/TypeBuilder_h.template",
     "../../platform/inspector_protocol/ValueConversions_h.template",
@@ -68,6 +66,9 @@ action("protocol_sources") {
     "inspector_protocol_config.json",
   ]
   outputs = [
+    "$blink_core_output_dir/inspector/protocol/Forward.h",
+    "$blink_core_output_dir/inspector/protocol/Protocol.cpp",
+    "$blink_core_output_dir/inspector/protocol/Protocol.h",
     "$blink_core_output_dir/inspector/protocol/Accessibility.cpp",
     "$blink_core_output_dir/inspector/protocol/Accessibility.h",
     "$blink_core_output_dir/inspector/protocol/Animation.cpp",