Add support for Flash Player Component updates on Linux

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 95ef853202cfae4480b4c61f33a86eab05dedb5b..ffe25170ac0c5cf345743c10406f0f4fc9e966cf 100644
--- a/chrome/common/chrome_paths.h
+++ b/chrome/common/chrome_paths.h
@@ -74,6 +74,9 @@ enum {
   DIR_COMPONENT_UPDATED_PEPPER_FLASH_PLUGIN,  // Base directory of the Pepper
                                               // Flash plugins downloaded by the
                                               // component updater.
+  DIR_PEPPER_FLASH_SYSTEM_PLUGIN,  // Base directory of the system version of
+                                   // the Pepper Flash plugin, downloadable
+                                   // from Adobe website.
   FILE_RESOURCE_MODULE,         // Full path and filename of the module that
                                 // contains embedded resources (version,
                                 // strings, images, etc.).
@@ -133,6 +136,10 @@ enum {
   DIR_GEN_TEST_DATA,            // Directory where generated test data resides.
   DIR_TEST_DATA,                // Directory where unit test data resides.
   DIR_TEST_TOOLS,               // Directory where unit test tools reside.
+#if defined(OS_LINUX)
+  FILE_COMPONENT_FLASH_HINT,    // A file in a known location that points to
+                                // the component updated flash plugin.
+#endif // defined(OS_LINUX)
 
   PATH_END
 };