Remove references to WebContentsView::SizeContents from chrome/ and app/

ui/gfx/gfx.gyp

Index: ui/gfx/gfx.gyp
diff --git a/ui/gfx/gfx.gyp b/ui/gfx/gfx.gyp
index b712b0ba0319f44d4264f2b8660f83b8516b404a..cf1655e28ec27ed5c3947701d31aeada710902b5 100644
--- a/ui/gfx/gfx.gyp
+++ b/ui/gfx/gfx.gyp
@@ -196,6 +196,7 @@
         'image/image_util_ios.mm',
         'interpolated_transform.cc',
         'interpolated_transform.h',
+        'layout_util.h',
         'linux_font_delegate.cc',
         'linux_font_delegate.h',
         'mac/scoped_ns_disable_screen_updates.h',
@@ -320,6 +321,16 @@
         'x/x11_types.h',
       ],
       'conditions': [
+        ['OS=="mac"', {
+          # mac specific layout code
+          'sources': [
+            'layout_util.mm',
+          ],
+        }, {  # OS!=mac
+          'sources': [
+            'layout_util.cc',
+          ],
+        }],
         ['OS=="ios"', {
           # iOS only uses a subset of UI.
           'sources/': [