Implement web app definition parsing.

chrome/chrome_common.gypi

Index: chrome/chrome_common.gypi
diff --git a/chrome/chrome_common.gypi b/chrome/chrome_common.gypi
index 89aeadc9bd1591114e932080ffc386b294e38717..ad1ca6e0dcd86e9633513dda1608c332945636ae 100644
--- a/chrome/chrome_common.gypi
+++ b/chrome/chrome_common.gypi
@@ -128,6 +128,8 @@
           'common/time_format.h',
           'common/chrome_version_info.h',
           'common/chrome_version_info.cc',
+          'common/web_apps.h',
+          'common/web_apps.cc',
           'common/webblobregistry_impl.cc',
           'common/webblobregistry_impl.h',
           'common/win_safe_util.cc',
@@ -536,21 +538,13 @@
             '../app/app.gyp:app_resources',
             '../base/base.gyp:base_nacl_win64',
             '../ipc/ipc.gyp:ipc_win64',
+            '../skia/skia.gyp:skia',
             '../third_party/libxml/libxml.gyp:libxml',
           ],
           'include_dirs': [
             '../third_party/npapi',
             '../third_party/icu/public/i18n',
             '../third_party/icu/public/common',
-            # We usually get these skia directories by adding a dependency on
-            # skia, bu we don't need it for NaCl's 64-bit Windows support. The
-            # directories are required for resolving the includes in any case.
-            '../third_party/skia/include/core',
-            '../skia/config',
-          ],
-          'defines': [
-            'EXCLUDE_SKIA_DEPENDENCIES',
-            '<@(nacl_win64_defines)',
           ],
           'sources': [
             '../webkit/glue/webkit_glue_dummy.cc',