Revert of Use same blob format for internal and external snapshots.

tools/gyp/v8.gyp

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 146 matching lines @@
       'dependencies': [
         'v8_base',
       ],
       'include_dirs+': [
         '../..',
       ],
       'sources': [
         '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
         '<(SHARED_INTERMEDIATE_DIR)/experimental-libraries.cc',
         '<(INTERMEDIATE_DIR)/snapshot.cc',
+        '../../src/snapshot-common.cc',
       ],
       'actions': [
         {
           'action_name': 'run_mksnapshot',
           'inputs': [
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)mksnapshot<(EXECUTABLE_SUFFIX)',
           ],
           'outputs': [
             '<(INTERMEDIATE_DIR)/snapshot.cc',
           ],
@@ skipping 21 matching lines @@
       'type': 'static_library',
       'dependencies': [
         'v8_base',
       ],
       'include_dirs+': [
         '../..',
       ],
       'sources': [
         '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
         '<(SHARED_INTERMEDIATE_DIR)/experimental-libraries.cc',
+        '../../src/snapshot-common.cc',
         '../../src/snapshot-empty.cc',
       ],
       'conditions': [
         ['want_separate_host_toolset==1', {
           'toolsets': ['host', 'target'],
           'dependencies': ['js2c#host'],
         }, {
           'toolsets': ['target'],
           'dependencies': ['js2c'],
         }],
@@ skipping 597 matching lines @@
         '../../src/scanner.h',
         '../../src/scopeinfo.cc',
         '../../src/scopeinfo.h',
         '../../src/scopes.cc',
         '../../src/scopes.h',
         '../../src/serialize.cc',
         '../../src/serialize.h',
         '../../src/small-pointer-list.h',
         '../../src/smart-pointers.h',
         '../../src/snapshot.h',
-        '../../src/snapshot-common.cc',
         '../../src/snapshot-source-sink.cc',
         '../../src/snapshot-source-sink.h',
         '../../src/string-builder.cc',
         '../../src/string-builder.h',
         '../../src/string-search.cc',
         '../../src/string-search.h',
         '../../src/string-stream.cc',
         '../../src/string-stream.h',
         '../../src/strtod.cc',
         '../../src/strtod.h',
@@ skipping 907 matching lines @@
         }],
         ['want_separate_host_toolset==1', {
           'toolsets': ['host'],
         }, {
           'toolsets': ['target'],
         }],
       ],
     },
   ],
 }