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 e028906c498724d15b2420784b742f67c2ad1f92..0418e5b9c742b93029b99cb3a5c1c61e16ae5d0d 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -11879,7 +11879,7 @@
     "gtest_tests": [
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11888,8 +11888,8 @@
       },
       {
         "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
@@ -11898,7 +11898,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11907,7 +11907,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11916,8 +11916,8 @@
       },
       {
         "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
@@ -11926,7 +11926,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-sites-for-testing=*.is"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11935,7 +11935,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-sites-for-testing=chrome-extension://*"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11944,7 +11944,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-sites-for-testing=chrome-extension://*"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11953,7 +11953,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11962,7 +11962,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11971,7 +11971,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11980,7 +11980,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -11989,7 +11989,7 @@
       },
       {
         "args": [
-          "--site-per-process"
+          "--isolate-extensions"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true