Fix build errors with enable_vulkan=true for Linux

Bug: 807632
Change-Id: I4ba225af77087aec951420e033c6e361f88f249d
Reviewed-on: https://chromium-review.googlesource.com/905222Reviewed-by: Antoine Labour <piman@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534756}

third_party/SPIRV-Tools/BUILD.gn

@@ -189,6 +189,9 @@ static_library("SPIRV-Tools") {
 
   all_dependent_configs = [ ":SPIRV-Tools_config" ]
 
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
+
   deps = [
     ":build_version_inc",
     ":core_tables_1-0",

third_party/glslang/BUILD.gn

@@ -20,10 +20,9 @@ config("glslang_config") {
 config("glslang_local_config") {
   if (is_clang) {
     cflags = [
-      "-Wno-tautological-constant-out-of-range-compare",
       "-Wno-reorder",
       "-Wno-sign-compare",
-      "-Wno-unused-variable",
+      "-Wno-tautological-constant-out-of-range-compare",
     ]
   }
 }
@@ -35,6 +34,8 @@ static_library("OGLCompiler") {
   ]
 
   all_dependent_configs = [ ":glslang_config" ]
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":glslang_local_config" ]
 }
 
@@ -59,6 +60,8 @@ static_library("SPIRV") {
   ]
 
   all_dependent_configs = [ ":glslang_config" ]
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":glslang_local_config" ]
 }
 
@@ -68,6 +71,8 @@ static_library("glslang-default-resource-limits") {
   ]
 
   all_dependent_configs = [ ":glslang_config" ]
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":glslang_local_config" ]
 }
 
@@ -144,6 +149,8 @@ static_library("glslang") {
   }
 
   all_dependent_configs = [ ":glslang_config" ]
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":glslang_local_config" ]
 }
 
@@ -163,6 +170,8 @@ static_library("HLSL") {
   ]
 
   all_dependent_configs = [ ":glslang_config" ]
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":glslang_local_config" ]
 }