reland 'Set chrome_multiple_dll=1 by default on Windows in static_library'

Previously: https://codereview.chromium.org/22909017/

TBR=jam@chromium.org
BUG=237249

Review URL: https://chromiumcodereview.appspot.com/23320004

git-svn-id: http://src.chromium.org/svn/trunk/src/build@218663 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -1446,6 +1446,9 @@
           }],
           ['component=="shared_library"', {
             'win_use_allocator_shim%': 0,
+          },{
+            # Turn on multiple dll by default on Windows when in static_library.
+            'chrome_multiple_dll%': 1,
           }],
           ['component=="shared_library" and "<(GENERATOR)"=="ninja"', {
             # Only enabled by default for ninja because it's buggy in VS.