Infrastructure for reading V8's initial snapshot from external files

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 163abae0a9f725f9966b48813dd2b053292d6a5b..4cbba8aa48e16f26b060eeb3392aa6a9954dc25d 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -986,6 +986,12 @@
         }, {
           'optimize_jni_generation%': 0,
         }],
+
+        ['OS=="linux" or OS=="android"', {
+          'v8_use_external_startup_data': 1,
+        }, {
+          'v8_use_external_startup_data': 0,

[rmcilroy, 2014/10/06 15:41:02]

Please create a bug on crbug which mentions that you need to add enable this on
windows / mac and reference in a comment here.

[baixo, 2014/10/07 14:53:27]

Done.

+        }],
       ],
 
       # Set this to 1 to enable use of concatenated impulse responses
@@ -1182,6 +1188,7 @@
     'video_hole%': '<(video_hole)',
     'enable_load_completion_hacks%': '<(enable_load_completion_hacks)',
     'support_pre_M6_history_database%': '<(support_pre_M6_history_database)',
+    'v8_use_external_startup_data': '<(v8_use_external_startup_data)',
 
     # Whether or not we are building the Athena shell.
     'use_athena%': '0',
@@ -2340,7 +2347,6 @@
 
     # Whether to allow building of the GPU-related isolates.
     'archive_gpu_tests%': 0,
-

[rmcilroy, 2014/10/06 15:41:02]

nit - add back newline

[baixo, 2014/10/07 14:53:27]

Done.

      # Whether to allow building of chromoting related isolates.
     'archive_chromoting_tests%': 0,
   },
@@ -2909,6 +2915,9 @@
       ['enable_load_completion_hacks==1', {
         'defines': ['ENABLE_LOAD_COMPLETION_HACKS=1'],
       }],
+      ['v8_use_external_startup_data==1', {
+       'defines': ['V8_USE_EXTERNAL_STARTUP_DATA'],
+      }],
     ],  # conditions for 'target_defaults'
     'target_conditions': [
       ['<(use_openssl)==1', {