Land prep work to enable NaCl in the Linux x64 GN builds.

ppapi/native_client/src/untrusted/pnacl_irt_shim/BUILD.gn

Index: ppapi/native_client/src/untrusted/pnacl_irt_shim/BUILD.gn
diff --git a/components/pdf/browser/BUILD.gn b/ppapi/native_client/src/untrusted/pnacl_irt_shim/BUILD.gn
similarity index 50%
copy from components/pdf/browser/BUILD.gn
copy to ppapi/native_client/src/untrusted/pnacl_irt_shim/BUILD.gn
index 7434a8f4905dd891d1aa4f231605958fd170572d..7def5f4faec5aeb1f567b97b349dd986003fd110 100644
--- a/components/pdf/browser/BUILD.gn
+++ b/ppapi/native_client/src/untrusted/pnacl_irt_shim/BUILD.gn
@@ -4,16 +4,25 @@
 
 import("//build/config/features.gni")

[Nick Bray (chromium), 2015/02/05 23:21:46]

Not needed unless you want to paranoidly gate out based on
enable_nacl_untrusted?

[Dirk Pranke, 2015/02/05 23:52:19]

Will remove. It was probably a cut & paste thing ...

 
+static_library("aot") {
+  sources = [
+    "irt_shim_ppapi.c",
+    "pnacl_shim.c",
+    "shim_entry.c",
+    "shim_ppapi.c",
+  ]
+}
+
 static_library("browser") {
   sources = [
-    "open_pdf_in_reader_prompt_client.h",
-    "pdf_web_contents_helper.cc",
-    "pdf_web_contents_helper.h",
-    "pdf_web_contents_helper_client.h",
+    "shim_entry.c",
+    "shim_ppapi.c",
   ]
+}
 
-  deps = [
-    "//components/pdf/common",
-    "//content/public/browser",
+static_library("irt") {
+  sources = [
+    "irt_shim_ppapi.c",
+    "pnacl_shim.c",
   ]
 }