[d8] Fix the shared-library build

src/v8.gyp

Index: src/v8.gyp
diff --git a/src/v8.gyp b/src/v8.gyp
index 7b2fb2584695f99c6d8367f5035e1dc1c621e0db..2a3028b24aa37f47222d0ef35b990de2250f9aee 100644
--- a/src/v8.gyp
+++ b/src/v8.gyp
@@ -61,12 +61,10 @@
             '..',
           ],
           'defines': [
-            'V8_SHARED',
             'BUILDING_V8_SHARED',
           ],
           'direct_dependent_settings': {
             'defines': [
-              'V8_SHARED',
               'USING_V8_SHARED',
             ],
           },
@@ -164,12 +162,10 @@
         }],
         ['component=="shared_library"', {
           'defines': [
-            'V8_SHARED',
             'BUILDING_V8_SHARED',
           ],
           'direct_dependent_settings': {
             'defines': [
-              'V8_SHARED',
               'USING_V8_SHARED',
             ],
           },
@@ -259,7 +255,6 @@
         ['component=="shared_library"', {
           'defines': [
             'BUILDING_V8_SHARED',
-            'V8_SHARED',
           ],
         }],
       ]
@@ -286,12 +281,10 @@
             }],
             ['component=="shared_library"', {
               'defines': [
-                'V8_SHARED',
                 'BUILDING_V8_SHARED',
               ],
               'direct_dependent_settings': {
                 'defines': [
-                  'V8_SHARED',
                   'USING_V8_SHARED',
                 ],
               },
@@ -1713,7 +1706,6 @@
         ['component=="shared_library"', {
           'defines': [
             'BUILDING_V8_SHARED',
-            'V8_SHARED',
           ],
         }],
         ['v8_postmortem_support=="true"', {