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

ppapi/BUILD.gn

Index: ppapi/BUILD.gn
diff --git a/ppapi/BUILD.gn b/ppapi/BUILD.gn
index 3a1865681f5f5bf6cfd141ac29160121e67fb07e..c7fac320f9c3ff247629f2a9582997c7c495edcf 100644
--- a/ppapi/BUILD.gn
+++ b/ppapi/BUILD.gn
@@ -94,6 +94,30 @@ source_set("ppapi_gles2") {
 #  ]
 #}
 
+if (is_nacl) {
+  gypi_values = exec_script("//build/gypi_to_gn.py",
+                            [ rebase_path("ppapi_sources.gypi") ],
+                            "scope",
+                            [ "ppapi_sources.gypi" ])
+
+  component("ppapi_cpp_lib") {
+    sources = gypi_values.cpp_source_files + [
+                "cpp/module_embedder.h",
+                "cpp/ppp_entrypoints.cc",
+              ]
+  }
+
+  component("ppapi_gles2_lib") {
+    sources = [
+      "lib/gl/gles2/gl2ext_ppapi.c",
+      "lib/gl/gles2/gl2ext_ppapi.h",
+      "lib/gl/gles2/gles2.c",
+    ]
+
+    include_dirs = [ "lib/gl/include" ]
+  }
+}
+
 component("ppapi_shared") {
   sources = [
     "shared_impl/array_var.cc",
@@ -326,7 +350,6 @@ component("ppapi_shared") {
     "thunk/ppb_var_array_thunk.cc",
     "thunk/ppb_var_dictionary_thunk.cc",
     "thunk/ppb_video_capture_api.h",
-    "thunk/ppb_video_capture_thunk.cc",
     "thunk/ppb_video_decoder_api.h",
     "thunk/ppb_video_decoder_dev_api.h",
     "thunk/ppb_video_decoder_thunk.cc",
@@ -381,6 +404,7 @@ component("ppapi_shared") {
       "thunk/ppb_scrollbar_thunk.cc",
       "thunk/ppb_talk_private_thunk.cc",
       "thunk/ppb_url_util_thunk.cc",
+      "thunk/ppb_video_capture_thunk.cc",
       "thunk/ppb_video_decoder_dev_thunk.cc",
     ]
   }
@@ -429,6 +453,17 @@ component("ppapi_shared") {
     "//url",
   ]
 
+  if (is_nacl) {
+    deps -= [
+      "//base/third_party/dynamic_annotations",
+      "//skia",
+      "//ui/events:events_base",
+      "//ui/surface",
+    ]
+
+    public_deps -= [ blink_target ]
+  }
+
   if (is_mac) {
     libs = [ "QuartzCore.framework" ]
   } else if (is_win) {
@@ -473,6 +508,11 @@ source_set("ppapi_ipc") {
 
   if (is_nacl) {
     sources -= [ "proxy/serialized_flash_menu.cc" ]
+
+    deps -= [
+      "//skia",
+      "//ui/events/ipc",
+    ]
   }
 }
 
@@ -648,6 +688,8 @@ component("ppapi_proxy") {
     "proxy/url_response_info_resource.cc",
     "proxy/url_response_info_resource.h",
     "proxy/var_serialization_rules.h",
+    "proxy/video_decoder_resource.cc",
+    "proxy/video_decoder_resource.h",
     "proxy/video_destination_resource.cc",
     "proxy/video_destination_resource.h",
     "proxy/video_frame_resource.cc",
@@ -718,8 +760,6 @@ component("ppapi_proxy") {
       "proxy/ppp_instance_private_proxy.h",
       "proxy/ppp_video_decoder_proxy.cc",
       "proxy/ppp_video_decoder_proxy.h",
-      "proxy/video_decoder_resource.cc",
-      "proxy/video_decoder_resource.h",
       "proxy/talk_resource.cc",
       "proxy/talk_resource.h",
       "proxy/video_capture_resource.cc",
@@ -747,6 +787,19 @@ component("ppapi_proxy") {
     blink_target,
   ]
 
+  if (is_nacl) {
+    deps -= [
+      "//base/third_party/dynamic_annotations",
+      "//gin",
+      "//skia",
+      "//ui/events:events_base",
+      "//ui/surface",
+      blink_target,
+    ]
+
+    deps += [ "//ui/events:latency_info" ]
+  }
+
   if (is_win) {
     cflags = [ "/wd4267" ]  # size_t to int truncation.
   }