Revert of [Interpreter] Remove separate Ignition snapshot.

tools/gyp/v8.gyp

Index: tools/gyp/v8.gyp
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index 9fa2e42cae72759a942febf68cf3489aabadee26..520cf0b18dcbc02a6569fa5f5584c5fb898b0190 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -121,18 +121,30 @@
         }],
         ['v8_use_snapshot=="true" and v8_use_external_startup_data==1 and want_separate_host_toolset==0', {
           'dependencies': ['v8_base', 'v8_external_snapshot'],
-          'inputs': [ '<(PRODUCT_DIR)/snapshot_blob.bin', ],
+          'inputs': ['<(PRODUCT_DIR)/snapshot_blob.bin'],
+          'conditions': [
+            ['v8_separate_ignition_snapshot==1', {
+              'inputs': ['<(PRODUCT_DIR)/snapshot_blob_ignition.bin'],
+            }],
+          ]
         }],
         ['v8_use_snapshot=="true" and v8_use_external_startup_data==1 and want_separate_host_toolset==1', {
           'dependencies': ['v8_base', 'v8_external_snapshot'],
           'target_conditions': [
             ['_toolset=="host"', {
-              'inputs': [
-                '<(PRODUCT_DIR)/snapshot_blob_host.bin',
-              ],
+              'inputs': ['<(PRODUCT_DIR)/snapshot_blob_host.bin'],
             }, {
-              'inputs': [
-                '<(PRODUCT_DIR)/snapshot_blob.bin',
+              'inputs': ['<(PRODUCT_DIR)/snapshot_blob.bin'],
+            }],
+          ],
+          'conditions': [
+            ['v8_separate_ignition_snapshot==1', {
+              'target_conditions': [
+                ['_toolset=="host"', {
+                  'inputs': ['<(PRODUCT_DIR)/snapshot_blob_ignition_host.bin'],
+                }, {
+                  'inputs': ['<(PRODUCT_DIR)/snapshot_blob_ignition.bin'],
+                }],
               ],
             }],
           ],
@@ -286,6 +298,68 @@
                 ],
               },
             }],
+            # Extra snapshot blob for ignition.
+            ['v8_separate_ignition_snapshot==1', {
+              # This is concatenated to the other actions list of
+              # v8_external_snapshot.
+              'actions': [
+                {
+                  'action_name': 'run_mksnapshot (ignition)',
+                  'inputs': ['<(mksnapshot_exec)'],
+                  'variables': {
+                    # TODO: Extract common mksnapshot_flags to a separate
+                    # variable.
+                    'mksnapshot_flags_ignition': [
+                      '--ignition',
+                      '--log-snapshot-positions',
+                      '--logfile', '<(INTERMEDIATE_DIR)/snapshot_ignition.log',
+                    ],
+                    'conditions': [
+                      ['v8_random_seed!=0', {
+                        'mksnapshot_flags_ignition': ['--random-seed', '<(v8_random_seed)'],
+                      }],
+                      ['v8_vector_stores!=0', {
+                        'mksnapshot_flags_ignition': ['--vector-stores'],
+                      }],
+                    ],
+                  },
+                  'conditions': [
+                    ['want_separate_host_toolset==1', {
+                      'target_conditions': [
+                        ['_toolset=="host"', {
+                          'outputs': ['<(PRODUCT_DIR)/snapshot_blob_ignition_host.bin'],
+                          'action': [
+                            '<(mksnapshot_exec)',
+                            '<@(mksnapshot_flags_ignition)',
+                            '--startup_blob', '<(PRODUCT_DIR)/snapshot_blob_ignition_host.bin',
+                            '<(embed_script)',
+                            '<(warmup_script)',
+                          ],
+                        }, {
+                          'outputs': ['<(PRODUCT_DIR)/snapshot_blob_ignition.bin'],
+                          'action': [
+                            '<(mksnapshot_exec)',
+                            '<@(mksnapshot_flags_ignition)',
+                            '--startup_blob', '<(PRODUCT_DIR)/snapshot_blob_ignition.bin',
+                            '<(embed_script)',
+                            '<(warmup_script)',
+                          ],
+                        }],
+                      ],
+                    }, {
+                      'outputs': ['<(PRODUCT_DIR)/snapshot_blob_ignition.bin'],
+                      'action': [
+                        '<(mksnapshot_exec)',
+                        '<@(mksnapshot_flags_ignition)',
+                        '--startup_blob', '<(PRODUCT_DIR)/snapshot_blob_ignition.bin',
+                        '<(embed_script)',
+                        '<(warmup_script)',
+                      ],
+                    }],
+                  ],
+                },
+              ],
+            }],
           ],
           'dependencies': [
             'v8_base',
@@ -300,9 +374,7 @@
           'actions': [
             {
               'action_name': 'run_mksnapshot (external)',
-              'inputs': [
-                '<(mksnapshot_exec)',
-              ],
+              'inputs': ['<(mksnapshot_exec)'],
               'variables': {
                 'mksnapshot_flags': [
                   '--log-snapshot-positions',
@@ -321,9 +393,7 @@
                 ['want_separate_host_toolset==1', {
                   'target_conditions': [
                     ['_toolset=="host"', {
-                      'outputs': [
-                        '<(PRODUCT_DIR)/snapshot_blob_host.bin',
-                      ],
+                      'outputs': ['<(PRODUCT_DIR)/snapshot_blob_host.bin'],
                       'action': [
                         '<(mksnapshot_exec)',
                         '<@(mksnapshot_flags)',
@@ -332,9 +402,7 @@
                         '<(warmup_script)',
                       ],
                     }, {
-                      'outputs': [
-                        '<(PRODUCT_DIR)/snapshot_blob.bin',
-                      ],
+                      'outputs': ['<(PRODUCT_DIR)/snapshot_blob.bin'],
                       'action': [
                         '<(mksnapshot_exec)',
                         '<@(mksnapshot_flags)',
@@ -345,9 +413,7 @@
                     }],
                   ],
                 }, {
-                  'outputs': [
-                    '<(PRODUCT_DIR)/snapshot_blob.bin',
-                  ],
+                  'outputs': ['<(PRODUCT_DIR)/snapshot_blob.bin'],
                   'action': [
                     '<(mksnapshot_exec)',
                     '<@(mksnapshot_flags)',