Migrate ProcessesEventRouter to the new task manager

chrome/common/extensions/api/schemas.gypi

Index: chrome/common/extensions/api/schemas.gypi
diff --git a/chrome/common/extensions/api/schemas.gypi b/chrome/common/extensions/api/schemas.gypi
index 1518b9434ebdb34c1eae5d93b7f1e160d53ab781..f123e362f938bef2d821076e305d8e46b3e2fe75 100644
--- a/chrome/common/extensions/api/schemas.gypi
+++ b/chrome/common/extensions/api/schemas.gypi
@@ -146,6 +146,10 @@
       'cast_streaming_session.idl',
       'cast_streaming_udp_transport.idl',
     ],
+    
+    'task_manager_dependent_schema_files': [
+      'processes.idl',
+    ],
 
     # Input IME schema.
     'input_ime_schema_file': [
@@ -169,6 +173,11 @@
     # Disable schema compiler to generate model extension API code.
     # Only register the extension functions in extension system.
     'conditions': [
+      ['enable_task_manager==1', {
+        'schema_files': [
+          '<@(task_manager_dependent_schema_files)',
+        ],
+      }],
       ['chromeos==1', {
         'schema_files': [
           '<@(chromeos_schema_files)',