Make it possible to have multiple InspectorBackends

sky/viewer/BUILD.gn

Index: sky/viewer/BUILD.gn
diff --git a/sky/viewer/BUILD.gn b/sky/viewer/BUILD.gn
index 4018a3103532a31b39370e6ad694a0e814cfb9a3..3b834d5114a3ef675189f6d5aaac9f16e9a51046 100644
--- a/sky/viewer/BUILD.gn
+++ b/sky/viewer/BUILD.gn
@@ -42,16 +42,18 @@ shared_library("viewer") {
   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",
@@ -67,12 +69,11 @@ shared_library("viewer") {
     "//net",
     "//skia",
     "//sky/engine/public:blink",
+    "//sky/services/inspector:bindings",
     "//sky/viewer/cc",
     "//third_party/icu",
     "//ui/native_theme",
     "//url",
-    ":bindings",
-    ":sky_modules",
   ]
 }