Implement the rest of the PPAPI examples in the GN build.

This adds the "threading" example which was unreferenced in the GYP build, despite existing and compiling OK.

Review URL: https://codereview.chromium.org/921993002

Cr-Commit-Position: refs/heads/master@{#316379}

29 files changed, 562 insertions, 2 deletions

diff --git a/ppapi/examples/2d/BUILD.gn b/ppapi/examples/2d/BUILD.gn
new file mode 100644
index 0000000..94b8ed6
--- /dev/null
+++ b/ppapi/examples/2d/BUILD.gn
@@ -0,0 +1,44 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+group("2d") {
+  testonly = true
+  deps = [
+    ":graphics_2d",
+    ":paint_manager",
+    ":scroll",
+  ]
+}
+
+ppapi_example("graphics_2d") {
+  output_name = "ppapi_example_graphics_2d"
+  sources = [
+    "graphics_2d_example.c",
+  ]
+  deps = [
+    "//ppapi/c",
+  ]
+}
+
+ppapi_example("paint_manager") {
+  output_name = "ppapi_example_paint_manager"
+  sources = [
+    "paint_manager_example.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
+
+ppapi_example("scroll") {
+  output_name = "ppapi_example_scroll"
+  sources = [
+    "scroll.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/BUILD.gn b/ppapi/examples/BUILD.gn
index db7b2e1..fedb176 100644
--- a/ppapi/examples/BUILD.gn
+++ b/ppapi/examples/BUILD.gn
@@ -5,6 +5,32 @@
 group("examples") {
   testonly = true
   deps = [
+    "//ppapi/examples/2d",
     "//ppapi/examples/audio",
+    "//ppapi/examples/audio_input",
+    "//ppapi/examples/compositor",
+    "//ppapi/examples/crxfs",
+    "//ppapi/examples/enumerate_devices",
+    "//ppapi/examples/file_chooser",
+    "//ppapi/examples/flash_topmost",
+    "//ppapi/examples/font",
+    "//ppapi/examples/gamepad",
+    "//ppapi/examples/gles2",
+    "//ppapi/examples/gles2_spinning_cube",
+    "//ppapi/examples/ime",
+    "//ppapi/examples/input",
+    "//ppapi/examples/media_stream_audio",
+    "//ppapi/examples/media_stream_video",
+    "//ppapi/examples/mouse_cursor",
+    "//ppapi/examples/mouse_lock",
+    "//ppapi/examples/printing",
+    "//ppapi/examples/scaling",
+    "//ppapi/examples/scripting",
+    "//ppapi/examples/stub",
+    "//ppapi/examples/threading",
+    "//ppapi/examples/url_loader",
+    "//ppapi/examples/video_capture",
+    "//ppapi/examples/video_decode",
+    "//ppapi/examples/video_effects",
   ]
 }
diff --git a/ppapi/examples/audio_input/BUILD.gn b/ppapi/examples/audio_input/BUILD.gn
new file mode 100644
index 0000000..ac11766
--- /dev/null
+++ b/ppapi/examples/audio_input/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("audio_input") {
+  output_name = "ppapi_example_audio_input"
+  sources = [
+    "audio_input.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/compositor/BUILD.gn b/ppapi/examples/compositor/BUILD.gn
new file mode 100644
index 0000000..d7007a1
--- /dev/null
+++ b/ppapi/examples/compositor/BUILD.gn
@@ -0,0 +1,18 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("compositor") {
+  output_name = "ppapi_example_compositor"
+  sources = [
+    "compositor.cc",
+    "spinning_cube.cc",
+    "spinning_cube.h",
+  ]
+  deps = [
+    "//ppapi/cpp",
+    "//ppapi/lib/gl/gles2",
+  ]
+}
diff --git a/ppapi/examples/crxfs/BUILD.gn b/ppapi/examples/crxfs/BUILD.gn
new file mode 100644
index 0000000..f038c04
--- /dev/null
+++ b/ppapi/examples/crxfs/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("crxfs") {
+  output_name = "ppapi_example_crxfs"
+  sources = [
+    "crxfs.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/enumerate_devices/BUILD.gn b/ppapi/examples/enumerate_devices/BUILD.gn
new file mode 100644
index 0000000..c7d79d9
--- /dev/null
+++ b/ppapi/examples/enumerate_devices/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("enumerate_devices") {
+  output_name = "ppapi_example_enumerate_devices"
+  sources = [
+    "enumerate_devices.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/file_chooser/BUILD.gn b/ppapi/examples/file_chooser/BUILD.gn
new file mode 100644
index 0000000..d7b6476
--- /dev/null
+++ b/ppapi/examples/file_chooser/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("file_chooser") {
+  output_name = "ppapi_example_file_chooser"
+  sources = [
+    "file_chooser.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/flash_topmost/BUILD.gn b/ppapi/examples/flash_topmost/BUILD.gn
new file mode 100644
index 0000000..a0ec348
--- /dev/null
+++ b/ppapi/examples/flash_topmost/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("flash_topmost") {
+  output_name = "ppapi_example_flash_topmost"
+  sources = [
+    "flash_topmost.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/font/BUILD.gn b/ppapi/examples/font/BUILD.gn
new file mode 100644
index 0000000..632a428
--- /dev/null
+++ b/ppapi/examples/font/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("font") {
+  output_name = "ppapi_example_simple_font"
+  sources = [
+    "simple_font.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/gamepad/BUILD.gn b/ppapi/examples/gamepad/BUILD.gn
new file mode 100644
index 0000000..b928c93
--- /dev/null
+++ b/ppapi/examples/gamepad/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("gamepad") {
+  output_name = "ppapi_example_gamepad"
+  sources = [
+    "gamepad.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/gles2/BUILD.gn b/ppapi/examples/gles2/BUILD.gn
new file mode 100644
index 0000000..4a86017
--- /dev/null
+++ b/ppapi/examples/gles2/BUILD.gn
@@ -0,0 +1,16 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("gles2") {
+  output_name = "ppapi_example_gles2"
+  sources = [
+    "gles2.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+    "//ppapi/lib/gl/gles2",
+  ]
+}
diff --git a/ppapi/examples/gles2_spinning_cube/BUILD.gn b/ppapi/examples/gles2_spinning_cube/BUILD.gn
new file mode 100644
index 0000000..26d1ecf
--- /dev/null
+++ b/ppapi/examples/gles2_spinning_cube/BUILD.gn
@@ -0,0 +1,18 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("gles2_spinning_cube") {
+  output_name = "ppapi_example_gles2_spinning_cube"
+  sources = [
+    "gles2_spinning_cube.cc",
+    "spinning_cube.cc",
+    "spinning_cube.h",
+  ]
+  deps = [
+    "//ppapi/cpp",
+    "//ppapi/lib/gl/gles2",
+  ]
+}
diff --git a/ppapi/examples/ime/BUILD.gn b/ppapi/examples/ime/BUILD.gn
new file mode 100644
index 0000000..79b4a9e
--- /dev/null
+++ b/ppapi/examples/ime/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("ime") {
+  output_name = "ppapi_example_ime"
+  sources = [
+    "ime.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/input/BUILD.gn b/ppapi/examples/input/BUILD.gn
new file mode 100644
index 0000000..38340f9
--- /dev/null
+++ b/ppapi/examples/input/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("input") {
+  output_name = "ppapi_example_input"
+  sources = [
+    "pointer_event_input.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/media_stream_audio/BUILD.gn b/ppapi/examples/media_stream_audio/BUILD.gn
new file mode 100644
index 0000000..39a8ae9
--- /dev/null
+++ b/ppapi/examples/media_stream_audio/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("media_stream_audio") {
+  output_name = "ppapi_example_media_stream_audio"
+  sources = [
+    "media_stream_audio.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/media_stream_video/BUILD.gn b/ppapi/examples/media_stream_video/BUILD.gn
new file mode 100644
index 0000000..578e8f6
--- /dev/null
+++ b/ppapi/examples/media_stream_video/BUILD.gn
@@ -0,0 +1,16 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("media_stream_video") {
+  output_name = "ppapi_example_media_stream_video"
+  sources = [
+    "media_stream_video.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+    "//ppapi/lib/gl/gles2",
+  ]
+}
diff --git a/ppapi/examples/mouse_cursor/BUILD.gn b/ppapi/examples/mouse_cursor/BUILD.gn
new file mode 100644
index 0000000..03d2a19
--- /dev/null
+++ b/ppapi/examples/mouse_cursor/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("mouse_cursor") {
+  output_name = "ppapi_example_mouse_cursor"
+  sources = [
+    "mouse_cursor.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/mouse_lock/BUILD.gn b/ppapi/examples/mouse_lock/BUILD.gn
new file mode 100644
index 0000000..7b98278
--- /dev/null
+++ b/ppapi/examples/mouse_lock/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("mouse_lock") {
+  output_name = "ppapi_example_mouse_lock"
+  sources = [
+    "mouse_lock.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/printing/BUILD.gn b/ppapi/examples/printing/BUILD.gn
new file mode 100644
index 0000000..64c950d
--- /dev/null
+++ b/ppapi/examples/printing/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("printing") {
+  output_name = "ppapi_example_printing"
+  sources = [
+    "printing.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/scaling/BUILD.gn b/ppapi/examples/scaling/BUILD.gn
new file mode 100644
index 0000000..fdc42e0a
--- /dev/null
+++ b/ppapi/examples/scaling/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("scaling") {
+  output_name = "ppapi_example_scaling"
+  sources = [
+    "scaling.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/scripting/BUILD.gn b/ppapi/examples/scripting/BUILD.gn
new file mode 100644
index 0000000..f57e73f
--- /dev/null
+++ b/ppapi/examples/scripting/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("scripting") {
+  output_name = "ppapi_example_post_message"
+  sources = [
+    "post_message.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/stub/BUILD.gn b/ppapi/examples/stub/BUILD.gn
new file mode 100644
index 0000000..9d2a452
--- /dev/null
+++ b/ppapi/examples/stub/BUILD.gn
@@ -0,0 +1,33 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+group("stub") {
+  testonly = true
+  deps = [
+    ":c_stub",
+    ":cc_stub",
+  ]
+}
+
+ppapi_example("c_stub") {
+  output_name = "ppapi_example_c_stub"
+  sources = [
+    "stub.c",
+  ]
+  deps = [
+    "//ppapi/c",
+  ]
+}
+
+ppapi_example("cc_stub") {
+  output_name = "ppapi_example_cc_stub"
+  sources = [
+    "stub.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/threading/BUILD.gn b/ppapi/examples/threading/BUILD.gn
new file mode 100644
index 0000000..8861dd8
--- /dev/null
+++ b/ppapi/examples/threading/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("threading") {
+  output_name = "ppapi_example_threading"
+  sources = [
+    "threading.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/url_loader/BUILD.gn b/ppapi/examples/url_loader/BUILD.gn
new file mode 100644
index 0000000..693325a
--- /dev/null
+++ b/ppapi/examples/url_loader/BUILD.gn
@@ -0,0 +1,33 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+group("url_loader") {
+  testonly = true
+  deps = [
+    ":file",
+    ":streaming",
+  ]
+}
+
+ppapi_example("file") {
+  output_name = "ppapi_example_url_loader"
+  sources = [
+    "streaming.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
+
+ppapi_example("streaming") {
+  output_name = "ppapi_example_file"
+  sources = [
+    "stream_to_file.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/examples/video_capture/BUILD.gn b/ppapi/examples/video_capture/BUILD.gn
new file mode 100644
index 0000000..ab48184
--- /dev/null
+++ b/ppapi/examples/video_capture/BUILD.gn
@@ -0,0 +1,16 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("video_capture") {
+  output_name = "ppapi_example_vc"
+  sources = [
+    "video_capture.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+    "//ppapi/lib/gl/gles2",
+  ]
+}
diff --git a/ppapi/examples/video_decode/BUILD.gn b/ppapi/examples/video_decode/BUILD.gn
new file mode 100644
index 0000000..285136e
--- /dev/null
+++ b/ppapi/examples/video_decode/BUILD.gn
@@ -0,0 +1,37 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+group("video_decode") {
+  testonly = true
+  deps = [
+    ":dev",
+    ":stable",
+  ]
+}
+
+ppapi_example("dev") {
+  output_name = "ppapi_example_video_decode_dev"
+  sources = [
+    "video_decode_dev.cc",
+    "testdata.h",
+  ]
+  deps = [
+    "//ppapi/cpp",
+    "//ppapi/lib/gl/gles2",
+  ]
+}
+
+ppapi_example("stable") {
+  output_name = "ppapi_example_video_decode"
+  sources = [
+    "video_decode.cc",
+    "testdata.h",
+  ]
+  deps = [
+    "//ppapi/cpp",
+    "//ppapi/lib/gl/gles2",
+  ]
+}
diff --git a/ppapi/examples/video_effects/BUILD.gn b/ppapi/examples/video_effects/BUILD.gn
new file mode 100644
index 0000000..a93a08d
--- /dev/null
+++ b/ppapi/examples/video_effects/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//ppapi/examples/ppapi_example.gni")
+
+ppapi_example("video_effects") {
+  output_name = "video_effects"
+  sources = [
+    "video_effects.cc",
+  ]
+  deps = [
+    "//ppapi/cpp",
+  ]
+}
diff --git a/ppapi/lib/gl/gles2/BUILD.gn b/ppapi/lib/gl/gles2/BUILD.gn
index e9048a1..81bdde4 100644
--- a/ppapi/lib/gl/gles2/BUILD.gn
+++ b/ppapi/lib/gl/gles2/BUILD.gn
@@ -2,6 +2,10 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+config("gles2_config") {
+  include_dirs = [ "//ppapi/lib/gl/include" ]
+}
+
 source_set("gles2") {
   sources = [
     "gl2ext_ppapi.c",
@@ -9,9 +13,9 @@ source_set("gles2") {
     "gles2.c",
   ]
 
-  include_dirs = [ "lib/gl/include" ]
+  public_configs = [ ":gles2_config" ]
 
-  deps = [
+  public_deps = [
     "//ppapi/c",
   ]
 }
diff --git a/ppapi/ppapi_tests.gypi b/ppapi/ppapi_tests.gypi
index c3013f8..9b3067b 100644
--- a/ppapi/ppapi_tests.gypi
+++ b/ppapi/ppapi_tests.gypi
@@ -228,6 +228,7 @@
       },
     },
     {
+      # GN version: //ppapi/examples/mouse_cursor
       'target_name': 'ppapi_example_mouse_cursor',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -238,6 +239,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/mouse_lock
       'target_name': 'ppapi_example_mouse_lock',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -249,6 +251,7 @@
     },
 
     {
+      # GN version: //ppapi/examples/gamepad
       'target_name': 'ppapi_example_gamepad',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -260,6 +263,7 @@
     },
 
     {
+      # GN version: //ppapi/examples/stub:c_stub
       'target_name': 'ppapi_example_c_stub',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -270,6 +274,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/stub:cc_stub
       'target_name': 'ppapi_example_cc_stub',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -280,6 +285,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/crxfs
       'target_name': 'ppapi_example_crxfs',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -290,6 +296,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/audio
       'target_name': 'ppapi_example_audio',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -300,6 +307,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/audio_input
       'target_name': 'ppapi_example_audio_input',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -310,6 +318,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/file_chooser
       'target_name': 'ppapi_example_file_chooser',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -320,6 +329,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/2d:graphics_2d
       'target_name': 'ppapi_example_graphics_2d',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -330,6 +340,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/ime
       'target_name': 'ppapi_example_ime',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -340,6 +351,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/2d:paint_manager
       'target_name': 'ppapi_example_paint_manager',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -350,6 +362,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/input
       'target_name': 'ppapi_example_input',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -360,6 +373,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/scripting
       'target_name': 'ppapi_example_post_message',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -370,6 +384,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/scaling
       'target_name': 'ppapi_example_scaling',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -380,6 +395,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/2d:scroll
       'target_name': 'ppapi_example_scroll',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -390,6 +406,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/font
       'target_name': 'ppapi_example_simple_font',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -400,6 +417,18 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/threading
+      'target_name': 'ppapi_example_threading',
+      'dependencies': [
+        'ppapi_example_skeleton',
+        'ppapi.gyp:ppapi_cpp',
+      ],
+      'sources': [
+        'examples/threading/threading.cc',
+      ],
+    },
+    {
+      # GN version: //ppapi/examples/url_loader:streaming
       'target_name': 'ppapi_example_url_loader',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -410,6 +439,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/url_loader:file
       'target_name': 'ppapi_example_url_loader_file',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -420,6 +450,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/gles2
       'target_name': 'ppapi_example_gles2',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -434,6 +465,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/video_decode:stable
       'target_name': 'ppapi_example_video_decode',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -449,6 +481,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/video_decode:dev
       'target_name': 'ppapi_example_video_decode_dev',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -464,6 +497,7 @@
       ],
     },
     {
+      # GN version: //ppapi/example/video_capture
       'target_name': 'ppapi_example_vc',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -478,6 +512,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/video_effects
       'target_name': 'ppapi_example_video_effects',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -488,6 +523,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/enumerate_devices
       'target_name': 'ppapi_example_enumerate_devices',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -498,6 +534,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/flash_topmost
       'target_name': 'ppapi_example_flash_topmost',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -508,6 +545,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/printing
       'target_name': 'ppapi_example_printing',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -518,6 +556,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/media_stream_audio
       'target_name': 'ppapi_example_media_stream_audio',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -528,6 +567,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/media_stream_video
       'target_name': 'ppapi_example_media_stream_video',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -542,6 +582,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/gles2_spinning_cube
       'target_name': 'ppapi_example_gles2_spinning_cube',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -558,6 +599,7 @@
       ],
     },
     {
+      # GN version: //ppapi/examples/compositor
       'target_name': 'ppapi_example_compositor',
       'dependencies': [
         'ppapi_example_skeleton',
@@ -573,5 +615,7 @@
         'examples/compositor/spinning_cube.h',
       ],
     },
+    # Adding a new PPAPI example? Don't forget to update the GN build.
+    # See //ppapi/examples/BUILD.gn
   ],
 }