[build] Switch to moved v8.gyp

BUG=474921,606547
TBR=torne@chromium.org,alokp@chromium.org,jamescook@chromium.org,amistry@chromium.org,davidben@chromium.org

Review URL: https://codereview.chromium.org/1923453003

Cr-Original-Commit-Position: refs/heads/master@{#389760}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 60b9aa2bbf35e9855499d9aec11cbbab43387044

all.gyp

@@ -167,7 +167,7 @@
             '../tools/battor_agent/battor_agent.gyp:*',
             '../tools/gn/gn.gyp:*',
             '../tools/perf/clear_system_cache/clear_system_cache.gyp:*',
-            '../v8/tools/gyp/v8.gyp:*',
+            '../v8/src/v8.gyp:*',
             '<(libjpeg_gyp_path):*',
           ],
         }],

gn_migration.gypi

@@ -122,8 +122,8 @@
         '../ui/snapshot/snapshot.gyp:snapshot_unittests',
         '../ui/touch_selection/ui_touch_selection.gyp:ui_touch_selection_unittests',
         '../url/url.gyp:url_unittests',
-        '../v8/tools/gyp/v8.gyp:v8_snapshot',
-        '../v8/tools/gyp/v8.gyp:postmortem-metadata',
+        '../v8/src/v8.gyp:v8_snapshot',
+        '../v8/src/v8.gyp:postmortem-metadata',
       ],
       'conditions': [
         ['clang==1', {

linux/unbundle/replace_gyp_files.py

@@ -36,7 +36,7 @@ REPLACEMENTS = {
   'use_system_re2': 'third_party/re2/re2.gyp',
   'use_system_snappy': 'third_party/snappy/snappy.gyp',
   'use_system_sqlite': 'third_party/sqlite/sqlite.gyp',
-  'use_system_v8': 'v8/tools/gyp/v8.gyp',
+  'use_system_v8': 'v8/src/v8.gyp',
   'use_system_zlib': 'third_party/zlib/zlib.gyp',
 }