Convert Site Isolation Win bot to --isolate-extensions [2nd attempt].

testing/buildbot/chromium.fyi.json

Index: testing/buildbot/chromium.fyi.json
diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index 96e8e53856edf5558047dfeee8fdc46487da1b2c..b132265b89c27df33b582f007ffc0751e39fb7c0 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -11878,7 +11878,7 @@
     "gtest_tests": [
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11887,8 +11887,8 @@
       },
       {
         "args": [
-          "--site-per-process",
-          "--test-launcher-filter-file=../../testing/buildbot/filters/site-per-process.browser_tests.filter"
+          "--isolate-extensions",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/isolate-extensions.browser_tests.filter"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11897,7 +11897,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11906,7 +11906,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11915,8 +11915,8 @@
       },
       {
         "args": [
-          "--site-per-process",
-          "--test-launcher-filter-file=../../testing/buildbot/filters/site-per-process.content_browsertests.filter"
+          "--isolate-sites-for-testing=*.is",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/isolate-extensions.content_browsertests.filter"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11925,7 +11925,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-sites-for-testing=*.is"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11934,7 +11934,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-sites-for-testing=chrome-extension://*"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11943,7 +11943,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-sites-for-testing=chrome-extension://*"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11952,7 +11952,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11961,7 +11961,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11970,7 +11970,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11979,7 +11979,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11988,7 +11988,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true