Infrastructure for reading V8's initial snapshot from external files

content/content_shell.gypi

Index: content/content_shell.gypi
diff --git a/content/content_shell.gypi b/content/content_shell.gypi
index 674da1697d82fa1edd439e9d6aee68c0ad556904..f5837973911c5740d862ef43321aace615218fb6 100644
--- a/content/content_shell.gypi
+++ b/content/content_shell.gypi
@@ -872,6 +872,12 @@
                 '<(PRODUCT_DIR)/icudtl.dat',
               ],
             }],
+            ['v8_use_external_startup_data==1', {
+              'mac_bundle_resources': [
+                '<(PRODUCT_DIR)/natives_blob.bin',
+                '<(PRODUCT_DIR)/snapshot_blob.bin',
+              ],
+            }],
           ],
         },  # target content_shell_framework
         {
@@ -1028,6 +1034,7 @@
           'dependencies': [
             'content.gyp:content_icudata',
             'content.gyp:content_java',
+            'content.gyp:content_v8_external_data',
             'content_java_test_support',
             'content_shell_java',
             'libcontent_shell_content_view',
@@ -1053,6 +1060,12 @@
                   '<(PRODUCT_DIR)/icudtl.dat',
                 ],
               }],
+              ['v8_use_external_startup_data==1', {
+                'additional_input_paths': [
+                  '<(PRODUCT_DIR)/natives_blob.bin',
+                  '<(PRODUCT_DIR)/snapshot_blob.bin',
+                ],
+              }],
             ],
           },
           'conditions': [