[DevTools] Scope common protocol infrastructure under Protocol namespace in a separate module.

third_party/WebKit/Source/devtools/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 
 devtools_embedder_scripts = [
   "front_end/devtools.js",
   "front_end/Tests.js",
@@ skipping 81 matching lines @@
   "front_end/sass/ASTSourceMap.js",
   "front_end/sass/SASSProcessor.js",
   "front_end/sass/SASSSupport.js",
   "front_end/sass/SASSSourceMapFactory.js",
 ]
 devtools_screencast_js_files = [
   "front_end/screencast/screencastView.css",
   "front_end/screencast/ScreencastApp.js",
   "front_end/screencast/ScreencastView.js",
 ]
+devtools_protocol_js_files = [
+  "front_end/protocol/Protocol.js",
+  "front_end/protocol/HostedMode.js",
+]
 devtools_sdk_js_files = [
   "front_end/sdk/ApplicationCacheModel.js",
   "front_end/sdk/Connections.js",
   "front_end/sdk/ConsoleModel.js",
   "front_end/sdk/ContentProviders.js",
   "front_end/sdk/CookieParser.js",
   "front_end/sdk/CPUProfileDataModel.js",
   "front_end/sdk/CPUProfilerModel.js",
   "front_end/sdk/CSSMatchedStyles.js",
   "front_end/sdk/CSSMedia.js",
   "front_end/sdk/CSSMetadata.js",
   "front_end/sdk/CSSModel.js",
   "front_end/sdk/CSSParser.js",
   "front_end/sdk/CSSProperty.js",
   "front_end/sdk/CSSRule.js",
   "front_end/sdk/CSSStyleDeclaration.js",
   "front_end/sdk/CSSStyleSheetHeader.js",
   "front_end/sdk/DebuggerModel.js",
   "front_end/sdk/DOMModel.js",
   "front_end/sdk/HAREntry.js",
   "front_end/sdk/HeapProfilerModel.js",
-  "front_end/sdk/InspectorBackend.js",
-  "front_end/sdk/InspectorBackendHostedMode.js",
   "front_end/sdk/LayerTreeBase.js",
   "front_end/sdk/NetworkLog.js",
   "front_end/sdk/NetworkManager.js",
   "front_end/sdk/NetworkRequest.js",
   "front_end/sdk/PaintProfiler.js",
   "front_end/sdk/ProfileTreeModel.js",
   "front_end/sdk/RemoteObject.js",
   "front_end/sdk/Resource.js",
   "front_end/sdk/ResourceTreeModel.js",
   "front_end/sdk/RuntimeModel.js",
@@ skipping 187 matching lines @@
   "front_end/extensions/module.json",
   "front_end/gonzales/module.json",
   "front_end/heap_snapshot_worker/module.json",
   "front_end/host/module.json",
   "front_end/layers/module.json",
   "front_end/layer_viewer/module.json",
   "front_end/main/module.json",
   "front_end/network/module.json",
   "front_end/platform/module.json",
   "front_end/profiler/module.json",
+  "front_end/protocol/module.json",
   "front_end/resources/module.json",
   "front_end/sass/module.json",
   "front_end/security/module.json",
   "front_end/screencast/module.json",
   "front_end/formatter_worker/module.json",
   "front_end/sdk/module.json",
   "front_end/settings/module.json",
   "front_end/source_frame/module.json",
   "front_end/sources/module.json",
   "front_end/snippets/module.json",
@@ skipping 522 matching lines @@
   "front_end/Images/toolbarItemSelected.png",
   "front_end/Images/touchCursor.png",
   "front_end/Images/touchCursor_2x.png",
 ]
 
 devtools_core_files =
     devtools_core_base_files + devtools_bindings_js_files +
     devtools_common_js_files + devtools_components_js_files +
     devtools_emulation_js_files + devtools_host_js_files +
     devtools_main_js_files + devtools_platform_js_files +
-    devtools_sdk_js_files + devtools_toolbox_bootstrap_js_files +
-    devtools_ui_js_files + devtools_workspace_js_files +
-    devtools_persistence_js_files
+    devtools_protocol_js_files + devtools_sdk_js_files +
+    devtools_toolbox_bootstrap_js_files + devtools_ui_js_files +
+    devtools_workspace_js_files + devtools_persistence_js_files
 
 devtools_modules_js_files =
     devtools_accessibility_js_files + devtools_audits_js_files +
     devtools_audits2_js_files + devtools_audits2_worker_js_files +
     devtools_animation_js_files + devtools_cm_modes_js_files +
     devtools_components_lazy_js_files + devtools_console_js_files +
     devtools_devices_js_files + devtools_diff_js_files +
     devtools_elements_js_files + devtools_emulated_devices_js_files +
     devtools_extensions_js_files + devtools_gonzales_js_files +
     devtools_heap_snapshot_worker_js_files + devtools_layers_js_files +
@@ skipping 261 matching lines @@
     deps = [
       ":frontend_protocol_sources",
       ":supported_css_properties",
     ]
     sources = generated_scripts
     outputs = [
       "$resources_out_debug_dir/{{source_file_part}}",
     ]
   }
 }