Refactor Blink core_generated GN build.

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 bbb4958517c8012aaeda140747f56f61e674decf..287ed603a1894091cb6c9a377e1ce0ba40d22d3c 100644
--- a/third_party/WebKit/Source/core/inspector/BUILD.gn
+++ b/third_party/WebKit/Source/core/inspector/BUILD.gn
@@ -8,6 +8,7 @@ import(
     "//third_party/WebKit/Source/platform/inspector_protocol/inspector_protocol.gni")
 
 action("instrumentation_sources") {
+  visibility = [ ":*" ]
   script = "CodeGeneratorInstrumentation.py"
 
   inputs = [
@@ -108,16 +109,26 @@ inspector_protocol_generate("protocol_sources") {
 }
 
 # Compiles the sources generated above.
-source_set("protocol") {
-  sources = get_target_outputs(":protocol_sources")
+source_set("inspector") {
+  sources = get_target_outputs(":protocol_sources") +
+            get_target_outputs(":instrumentation_sources")
 
   configs -= core_config_remove
-  configs +=
-      core_config_add + [ "//third_party/WebKit/Source/core:core_include_dirs" ]
+  configs += core_config_add + [
+               "../..:inside_blink",
+               "//third_party/WebKit/Source/core:core_include_dirs",
+             ]
+
+  if (is_win) {
+    cflags = [ "/wd4702" ]  # Unreachable code.
+  }
 
   deps = [
+    ":instrumentation_sources",
     ":protocol_sources",
+    "//skia",
     "//third_party/WebKit/Source/wtf",
+    "//v8",
   ]
 }