Generate all extension schema namespaces as "api" and instead vary the generated bundle names.

chrome/browser/extensions/display_info_provider_mac.cc

Index: chrome/browser/extensions/display_info_provider_mac.cc
diff --git a/chrome/browser/extensions/display_info_provider_mac.cc b/chrome/browser/extensions/display_info_provider_mac.cc
index 0991c7743fe6b45889a55f3c9f497d8c28e8fd4f..c49c3f1b8bba34c3eea690689f90455d94c9a0bd 100644
--- a/chrome/browser/extensions/display_info_provider_mac.cc
+++ b/chrome/browser/extensions/display_info_provider_mac.cc
@@ -16,7 +16,7 @@ DisplayInfoProviderMac::~DisplayInfoProviderMac() {
 
 bool DisplayInfoProviderMac::SetInfo(
     const std::string& display_id,
-    const core_api::system_display::DisplayProperties& info,
+    const api::system_display::DisplayProperties& info,
     std::string* error) {
   *error = "Not implemented";
   return false;
@@ -24,7 +24,7 @@ bool DisplayInfoProviderMac::SetInfo(
 
 void DisplayInfoProviderMac::UpdateDisplayUnitInfoForPlatform(
     const gfx::Display& display,
-    extensions::core_api::system_display::DisplayUnitInfo* unit) {
+    extensions::api::system_display::DisplayUnitInfo* unit) {
   static bool logged_once = false;
   if (!logged_once) {
     NOTIMPLEMENTED();