Remove unused Flash-related code:

chrome/common/chrome_paths.h

Index: chrome/common/chrome_paths.h
diff --git a/chrome/common/chrome_paths.h b/chrome/common/chrome_paths.h
index f0bdd7281c0cecb5a5fb997a6ec377e6fefd44dd..58a32c0d3a9dd021f957fc95ad2e148792b7211a 100644
--- a/chrome/common/chrome_paths.h
+++ b/chrome/common/chrome_paths.h
@@ -72,12 +72,9 @@ enum {
   FILE_RECORDED_SCRIPT,         // Full path to the script.log file that
                                 // contains recorded browser events for
                                 // playback.
-  FILE_FLASH_PLUGIN,            // Full path to the internal Flash plugin file.
-                                // Querying this path will succeed no matter the
-                                // file exists or not.
-  FILE_FLASH_PLUGIN_EXISTING,   // Full path to the internal Flash plugin file.
-                                // Querying this path will fail if the file
-                                // doesn't exist.
+  FILE_FLASH_PLUGIN,            // Full path to the internal NPAPI Flash plugin

[yzshen1, 2012/12/27 23:10:57]

I will get rid of this one when I remove the prefs migration code. (I have
already got a TODO in plugin_prefs.cc so I didn't add one here.)

+                                // file. Querying this path will succeed no
+                                // matter the file exists or not.
   FILE_PEPPER_FLASH_PLUGIN,     // Full path to the bundled Pepper Flash plugin
                                 // file.
   FILE_PDF_PLUGIN,              // Full path to the internal PDF plugin file.