Shard webcore_dom to avoid MSVS 2 GB limitation

third_party/WebKit/Source/core/core.gyp

Index: third_party/WebKit/Source/core/core.gyp
diff --git a/third_party/WebKit/Source/core/core.gyp b/third_party/WebKit/Source/core/core.gyp
index 2c954df34e84a9e1cf5a76ef98539d48f7fed0fd..d9e71e0621dd818903f88bde6d35fdd6df136fd0 100644
--- a/third_party/WebKit/Source/core/core.gyp
+++ b/third_party/WebKit/Source/core/core.gyp
@@ -289,6 +289,13 @@
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
+      'conditions': [
+        # Shard this target into parts to work around linker limitations.
+        # on link time code generation builds. See crbug.com/599186
+        ['OS=="win" and buildtype=="Official"', {
+          'msvs_shard': 5,

[dcheng, 2016/03/30 23:17:25]

Out of curiosity, why 5?

[brucedawson, 2016/03/30 23:32:06]

No particular reason - copy/paste with no reason to change it.

Anything from 2 to 200 would probably work equally well, although creating more
than a few sub-libs is messy and adds no value.

+        }],
+      ],
     },
     {
       # GN version: //third_party/WebKit/Source/core:html
@@ -301,7 +308,7 @@
         '<@(webcore_html_files)',
       ],
       'conditions': [
-        # Shard this taret into parts to work around linker limitations.
+        # Shard this target into parts to work around linker limitations.
         # on link time code generation builds.
         ['OS=="win" and buildtype=="Official"', {
           'msvs_shard': 5,
@@ -340,7 +347,7 @@
         '<@(webcore_rendering_files)',
       ],
       'conditions': [
-        # Shard this taret into parts to work around linker limitations.
+        # Shard this target into parts to work around linker limitations.
         # on link time code generation builds.
         ['OS=="win" and buildtype=="Official"', {
           'msvs_shard': 5,