Make it possible to have multiple InspectorBackends

sky/viewer/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("//mojo/public/tools/bindings/mojom.gni")
 
 shared_library("viewer") {
   output_name = "sky_viewer"
 
   sources = [
@@ skipping 24 matching lines @@
     "services/tracing_impl.cc",
     "services/tracing_impl.h",
     "services/inspector_impl.cc",
     "services/inspector_impl.h",
     "viewer.cc",
   ]
 
   include_dirs = [ ".." ]
 
   deps = [
+    ":bindings",
+    ":sky_modules",
     "//base:i18n",
     "//cc",
     "//cc/surfaces",
     "//gin",
     "//mojo/application",
-    "//mojo/edk/js",
     "//mojo/cc",
     "//mojo/common",
     "//mojo/converters/geometry",
     "//mojo/converters/surfaces",
+    "//mojo/edk/js",
     "//mojo/public/c/system:for_shared_library",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/system",
     "//mojo/public/cpp/utility",
     "//mojo/public/interfaces/application",
     "//mojo/services/public/cpp/view_manager",
     "//mojo/services/public/interfaces/content_handler",
     "//mojo/services/public/interfaces/gpu",
     "//mojo/services/public/interfaces/input_events",
     "//mojo/services/public/interfaces/navigation",
     "//mojo/services/public/interfaces/network",
     "//mojo/services/public/interfaces/surfaces",
     "//net",
     "//skia",
     "//sky/engine/public:blink",
+    "//sky/services/inspector:bindings",
     "//sky/viewer/cc",
     "//third_party/icu",
     "//ui/native_theme",
     "//url",
-    ":bindings",
-    ":sky_modules",
   ]
 }
 
 mojom("bindings") {
   sources = [
     "test_observer.mojom",
     "services/tracing.mojom",
     "services/inspector.mojom",
   ]
 }
 
 copy("sky_modules") {
   sources = [
     "script/core.sky",
     "script/support.sky",
   ]
   outputs = [
     "$root_gen_dir/mojo/public/sky/{{source_file_part}}",
   ]
 }