29 files changed, 29 insertions, 0 deletions
diff --git a/gfx/blit.h b/gfx/blit.h
index e7ddce1..0aa02e6 100644
--- a/gfx/blit.h
+++ b/gfx/blit.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_BLIT_H_
 #define GFX_BLIT_H_
+#pragma once
 
 #include "gfx/native_widget_types.h"
 #include "gfx/point.h"
diff --git a/gfx/brush.h b/gfx/brush.h
index 0f6fbfb..125ee3c 100644
--- a/gfx/brush.h
+++ b/gfx/brush.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_BRUSH_H_
 #define GFX_BRUSH_H_
+#pragma once
 
 namespace gfx {
 
diff --git a/gfx/canvas.h b/gfx/canvas.h
index d7f18fc..52857a4 100644
--- a/gfx/canvas.h
+++ b/gfx/canvas.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_CANVAS_H_
 #define GFX_CANVAS_H_
+#pragma once
 
 #include <string>
 
diff --git a/gfx/canvas_direct2d.h b/gfx/canvas_direct2d.h
index 6056047..7ff973b 100644
--- a/gfx/canvas_direct2d.h
+++ b/gfx/canvas_direct2d.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_CANVAS_DIRECT2D_H_
 #define GFX_CANVAS_DIRECT2D_H_
+#pragma once
 
 #include <d2d1.h>
 
diff --git a/gfx/canvas_skia.h b/gfx/canvas_skia.h
index 37827a7..5187ad6 100644
--- a/gfx/canvas_skia.h
+++ b/gfx/canvas_skia.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_CANVAS_SKIA_H_
 #define GFX_CANVAS_SKIA_H_
+#pragma once
 
 #include "base/basictypes.h"
 #include "gfx/canvas.h"
diff --git a/gfx/canvas_skia_paint.h b/gfx/canvas_skia_paint.h
index ac11ff0..56c6d83 100644
--- a/gfx/canvas_skia_paint.h
+++ b/gfx/canvas_skia_paint.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_CANVAS_SKIA_PAINT_H_
 #define GFX_CANVAS_SKIA_PAINT_H_
+#pragma once
 
 #include "gfx/canvas_skia.h"
 #include "skia/ext/canvas_paint.h"
diff --git a/gfx/codec/jpeg_codec.h b/gfx/codec/jpeg_codec.h
index 792930f..bc4d31e 100644
--- a/gfx/codec/jpeg_codec.h
+++ b/gfx/codec/jpeg_codec.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_CODEC_JPEG_CODEC_H_
 #define GFX_CODEC_JPEG_CODEC_H_
+#pragma once
 
 #include <vector>
 
diff --git a/gfx/codec/png_codec.h b/gfx/codec/png_codec.h
index f9f754a..f220792 100644
--- a/gfx/codec/png_codec.h
+++ b/gfx/codec/png_codec.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_CODEC_PNG_CODEC_H_
 #define GFX_CODEC_PNG_CODEC_H_
+#pragma once
 
 #include <vector>
 
diff --git a/gfx/color_utils.h b/gfx/color_utils.h
index 3e2f8bf..f511168 100644
--- a/gfx/color_utils.h
+++ b/gfx/color_utils.h
@@ -4,6 +4,7 @@
 
 #ifndef APP_GFX_COLOR_UTILS_H_
 #define APP_GFX_COLOR_UTILS_H_
+#pragma once
 
 #include "third_party/skia/include/core/SkColor.h"
 
diff --git a/gfx/favicon_size.h b/gfx/favicon_size.h
index 3fe9cd8..018d348 100644
--- a/gfx/favicon_size.h
+++ b/gfx/favicon_size.h
@@ -4,6 +4,7 @@
 
 #ifndef APP_GFX_FAVICON_SIZE_H_
 #define APP_GFX_FAVICON_SIZE_H_
+#pragma once
 
 #include "base/compiler_specific.h"
 
diff --git a/gfx/font.h b/gfx/font.h
index 52a1bbb..9ee40b6 100644
--- a/gfx/font.h
+++ b/gfx/font.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_FONT_H_
 #define GFX_FONT_H_
+#pragma once
 
 #include "build/build_config.h"
 
diff --git a/gfx/gdi_util.h b/gfx/gdi_util.h
index 7da4926..3f37ed8 100644
--- a/gfx/gdi_util.h
+++ b/gfx/gdi_util.h
@@ -4,6 +4,7 @@
 
 #ifndef APP_GFX_GDI_UTIL_H_
 #define APP_GFX_GDI_UTIL_H_
+#pragma once
 
 #include <vector>
 #include <windows.h>
diff --git a/gfx/gfx_paths.h b/gfx/gfx_paths.h
index 7da1acc..596fba3 100644
--- a/gfx/gfx_paths.h
+++ b/gfx/gfx_paths.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_GFX_PATHS_H_
 #define GFX_GFX_PATHS_H_
+#pragma once
 
 // This file declares path keys for the app module.  These can be used with
 // the PathService to access various special directories and files.
diff --git a/gfx/gtk_native_view_id_manager.h b/gfx/gtk_native_view_id_manager.h
index 3a23942..b53d494 100644
--- a/gfx/gtk_native_view_id_manager.h
+++ b/gfx/gtk_native_view_id_manager.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_
 #define GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_
+#pragma once
 
 #include <map>
 
diff --git a/gfx/gtk_util.h b/gfx/gtk_util.h
index 5af37df..3f8fc0c 100644
--- a/gfx/gtk_util.h
+++ b/gfx/gtk_util.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_GTK_UTIL_H_
 #define GFX_GTK_UTIL_H_
+#pragma once
 
 #include <stdint.h>
 #include <vector>
diff --git a/gfx/icon_util.h b/gfx/icon_util.h
index 84ed12c..7a1233e 100644
--- a/gfx/icon_util.h
+++ b/gfx/icon_util.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_ICON_UTIL_H_
 #define GFX_ICON_UTIL_H_
+#pragma once
 
 #include <windows.h>
 #include <string>
diff --git a/gfx/insets.h b/gfx/insets.h
index bbed270..ba6cb58 100644
--- a/gfx/insets.h
+++ b/gfx/insets.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_INSETS_H_
 #define GFX_INSETS_H_
+#pragma once
 
 #include "build/build_config.h"
 
diff --git a/gfx/native_theme_win.h b/gfx/native_theme_win.h
index 81d61c5..72a5432 100644
--- a/gfx/native_theme_win.h
+++ b/gfx/native_theme_win.h
@@ -10,6 +10,7 @@
 
 #ifndef APP_GFX_NATIVE_THEME_WIN_H_
 #define APP_GFX_NATIVE_THEME_WIN_H_
+#pragma once
 
 #include <windows.h>
 #include <uxtheme.h>
diff --git a/gfx/native_widget_types.h b/gfx/native_widget_types.h
index 8cbbf8f..5cc032a 100644
--- a/gfx/native_widget_types.h
+++ b/gfx/native_widget_types.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_NATIVE_WIDGET_TYPES_H_
 #define GFX_NATIVE_WIDGET_TYPES_H_
+#pragma once
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
diff --git a/gfx/path.h b/gfx/path.h
index 97cda884..cdc11c8 100644
--- a/gfx/path.h
+++ b/gfx/path.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_PATH_H_
 #define GFX_PATH_H_
+#pragma once
 
 #include "base/basictypes.h"
 #include "gfx/native_widget_types.h"
diff --git a/gfx/point.h b/gfx/point.h
index 3d9e670..e93dc0c 100644
--- a/gfx/point.h
+++ b/gfx/point.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_POINT_H_
 #define GFX_POINT_H_
+#pragma once
 
 #include "build/build_config.h"
 
diff --git a/gfx/rect.h b/gfx/rect.h
index a8406ef..9736331 100644
--- a/gfx/rect.h
+++ b/gfx/rect.h
@@ -11,6 +11,7 @@
 
 #ifndef GFX_RECT_H_
 #define GFX_RECT_H_
+#pragma once
 
 #include <iosfwd>
 
diff --git a/gfx/scrollbar_size.h b/gfx/scrollbar_size.h
index 364d929..9b4a9c4 100644
--- a/gfx/scrollbar_size.h
+++ b/gfx/scrollbar_size.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_SCROLLBAR_SIZE_H_
 #define GFX_SCROLLBAR_SIZE_H_
+#pragma once
 
 namespace gfx {
 
diff --git a/gfx/size.h b/gfx/size.h
index e438336..bb45032 100644
--- a/gfx/size.h
+++ b/gfx/size.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_SIZE_H_
 #define GFX_SIZE_H_
+#pragma once
 
 #include "build/build_config.h"
 
diff --git a/gfx/skbitmap_operations.h b/gfx/skbitmap_operations.h
index b077406..eb56761 100644
--- a/gfx/skbitmap_operations.h
+++ b/gfx/skbitmap_operations.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_SKBITMAP_OPERATIONS_H_
 #define GFX_SKBITMAP_OPERATIONS_H_
+#pragma once
 
 #include "base/gtest_prod_util.h"
 #include "gfx/color_utils.h"
diff --git a/gfx/skia_util.h b/gfx/skia_util.h
index 66a8aeb..4a55c77 100644
--- a/gfx/skia_util.h
+++ b/gfx/skia_util.h
@@ -4,6 +4,7 @@
 
 #ifndef APP_GFX_SKIA_UTIL_H_
 #define APP_GFX_SKIA_UTIL_H_
+#pragma once
 
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkRect.h"
diff --git a/gfx/skia_utils_gtk.h b/gfx/skia_utils_gtk.h
index df68581..1114908 100644
--- a/gfx/skia_utils_gtk.h
+++ b/gfx/skia_utils_gtk.h
@@ -4,6 +4,7 @@
 
 #ifndef APP_GFX_SKIA_UTILS_GTK_H_
 #define APP_GFX_SKIA_UTILS_GTK_H_
+#pragma once
 
 #include "third_party/skia/include/core/SkColor.h"
 
diff --git a/gfx/test_suite.h b/gfx/test_suite.h
index 3f60d21..0b8de49 100644
--- a/gfx/test_suite.h
+++ b/gfx/test_suite.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_TEST_SUITE_H_
 #define GFX_TEST_SUITE_H_
+#pragma once
 
 #include "build/build_config.h"
 
diff --git a/gfx/window_impl.h b/gfx/window_impl.h
index 228e9096..8ce230a 100644
--- a/gfx/window_impl.h
+++ b/gfx/window_impl.h
@@ -4,6 +4,7 @@
 
 #ifndef GFX_WINDOW_IMPL_H_
 #define GFX_WINDOW_IMPL_H_
+#pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>