Revert of Windows install_static refactor.

chrome/chrome_watcher/chrome_watcher_main_api.h

Index: chrome/chrome_watcher/chrome_watcher_main_api.h
diff --git a/chrome/chrome_watcher/chrome_watcher_main_api.h b/chrome/chrome_watcher/chrome_watcher_main_api.h
index a8999556dd4158dc253a5f037fc09dd3fd4654d7..b8aa962e578387a0da0aad7794cc19bb10d4e451 100644
--- a/chrome/chrome_watcher/chrome_watcher_main_api.h
+++ b/chrome/chrome_watcher/chrome_watcher_main_api.h
@@ -25,13 +25,15 @@
 // enabled, a Kasko reporter process is also instantiated, using
 // |browser_data_directory| to store crash reports. |on_initialized_event| will
 // be signaled once the watcher process is fully initialized. Takes ownership of
-// |parent_process| and |on_initialized_event|.
+// |parent_process| and |on_initialized_event|. |channel_name| is the current
+// Chrome distribution channel (one of installer::kChromeChannelXXX).
 typedef int (*ChromeWatcherMainFunction)(
     const base::char16* registry_path,
     HANDLE parent_process,
     DWORD main_thread_id,
     HANDLE on_initialized_event,
-    const base::char16* browser_data_directory);
+    const base::char16* browser_data_directory,
+    const base::char16* channel_name);
 
 // Returns an RPC endpoint name for the identified client process. This method
 // may be invoked in both the client and the watcher process with the PID of the