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

extensions/browser/api/hid/hid_api.cc

Index: extensions/browser/api/hid/hid_api.cc
diff --git a/extensions/browser/api/hid/hid_api.cc b/extensions/browser/api/hid/hid_api.cc
index c0679bcf9ec235357fd87a990e33dd770f6e48de..1d284a4a32a010fea0d5da0a85a8461e35a21e3a 100644
--- a/extensions/browser/api/hid/hid_api.cc
+++ b/extensions/browser/api/hid/hid_api.cc
@@ -19,7 +19,7 @@
 #include "extensions/common/api/hid.h"
 #include "net/base/io_buffer.h"
 
-namespace hid = extensions::core_api::hid;
+namespace hid = extensions::api::hid;
 
 using device::HidConnection;
 using device::HidDeviceFilter;
@@ -66,7 +66,7 @@ HidGetDevicesFunction::HidGetDevicesFunction() {}
 HidGetDevicesFunction::~HidGetDevicesFunction() {}
 
 ExtensionFunction::ResponseAction HidGetDevicesFunction::Run() {
-  scoped_ptr<core_api::hid::GetDevices::Params> parameters =
+  scoped_ptr<api::hid::GetDevices::Params> parameters =
       hid::GetDevices::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(parameters);
 
@@ -107,7 +107,7 @@ HidGetUserSelectedDevicesFunction::~HidGetUserSelectedDevicesFunction() {
 }
 
 ExtensionFunction::ResponseAction HidGetUserSelectedDevicesFunction::Run() {
-  scoped_ptr<core_api::hid::GetUserSelectedDevices::Params> parameters =
+  scoped_ptr<api::hid::GetUserSelectedDevices::Params> parameters =
       hid::GetUserSelectedDevices::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(parameters);
 
@@ -151,7 +151,7 @@ HidConnectFunction::HidConnectFunction() : connection_manager_(nullptr) {
 HidConnectFunction::~HidConnectFunction() {}
 
 ExtensionFunction::ResponseAction HidConnectFunction::Run() {
-  scoped_ptr<core_api::hid::Connect::Params> parameters =
+  scoped_ptr<api::hid::Connect::Params> parameters =
       hid::Connect::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(parameters);
 
@@ -199,7 +199,7 @@ HidDisconnectFunction::HidDisconnectFunction() {}
 HidDisconnectFunction::~HidDisconnectFunction() {}
 
 ExtensionFunction::ResponseAction HidDisconnectFunction::Run() {
-  scoped_ptr<core_api::hid::Disconnect::Params> parameters =
+  scoped_ptr<api::hid::Disconnect::Params> parameters =
       hid::Disconnect::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(parameters);