Revert "Automatically trigger installation of high-quality speech synthesis extension."

chrome/browser/extensions/component_loader.cc

Index: chrome/browser/extensions/component_loader.cc
diff --git a/chrome/browser/extensions/component_loader.cc b/chrome/browser/extensions/component_loader.cc
index 0ef7a9f06ac1ebf687cedc88c247795aa21abe19..e31c954e5f9a038b9cdf5a95f94aa0d59c1bb338 100644
--- a/chrome/browser/extensions/component_loader.cc
+++ b/chrome/browser/extensions/component_loader.cc
@@ -333,13 +333,6 @@ void ComponentLoader::AddNetworkSpeechSynthesisExtension() {
       base::FilePath(FILE_PATH_LITERAL("network_speech_synthesis")));
 }
 
-#if defined(OS_CHROMEOS)
-void ComponentLoader::AddChromeOsSpeechSynthesisExtension() {
-  Add(IDR_SPEECH_SYNTHESIS_MANIFEST,
-      base::FilePath(extension_misc::kSpeechSynthesisExtensionPath));
-}
-#endif
-
 void ComponentLoader::AddWithName(int manifest_resource_id,
                                   const base::FilePath& root_directory,
                                   const std::string& name) {
@@ -433,10 +426,6 @@ void ComponentLoader::AddDefaultComponentExtensionsForKioskMode(
 
   // Component extensions needed for kiosk apps.
   AddFileManagerExtension();
-
-#if defined(OS_CHROMEOS)
-  ComponentLoader::AddChromeOsSpeechSynthesisExtension();
-#endif
 }
 
 void ComponentLoader::AddDefaultComponentExtensionsWithBackgroundPages(
@@ -585,10 +574,6 @@ void ComponentLoader::AddDefaultComponentExtensionsWithBackgroundPages(
 #endif
 #endif  // defined(GOOGLE_CHROME_BUILD)
 
-#if defined(OS_CHROMEOS)
-  AddChromeOsSpeechSynthesisExtension();
-#endif  // defined(OS_CHROMEOS)
-
 #if defined(ENABLE_PLUGINS)
   base::FilePath pdf_path;
   content::PluginService* plugin_service =