[Sync] Move ModelTypeProcessor* and rename *Impl to Shared*.

sync/sessions/model_type_registry_unittest.cc

Index: sync/sessions/model_type_registry_unittest.cc
diff --git a/sync/sessions/model_type_registry_unittest.cc b/sync/sessions/model_type_registry_unittest.cc
index 74967ac4376de070a4ef42579514a9f79e89b5cd..547b20a2f746538f6827ff1d2f082c7ede01e2c7 100644
--- a/sync/sessions/model_type_registry_unittest.cc
+++ b/sync/sessions/model_type_registry_unittest.cc
@@ -7,9 +7,9 @@
 #include "base/deferred_sequenced_task_runner.h"
 #include "base/message_loop/message_loop.h"
 #include "base/thread_task_runner_handle.h"
-#include "sync/engine/model_type_processor_impl.h"
 #include "sync/internal_api/public/activation_context.h"
 #include "sync/internal_api/public/base/model_type.h"
+#include "sync/internal_api/public/shared_model_type_processor.h"
 #include "sync/sessions/model_type_registry.h"
 #include "sync/test/engine/fake_model_worker.h"
 #include "sync/test/engine/mock_nudge_handler.h"
@@ -158,9 +158,9 @@ TEST_F(ModelTypeRegistryTest, SetEnabledDirectoryTypes_OffAndOn) {
 }
 
 TEST_F(ModelTypeRegistryTest, NonBlockingTypes) {
-  syncer_v2::ModelTypeProcessorImpl themes_sync_proxy(
+  syncer_v2::SharedModelTypeProcessor themes_sync_proxy(
       syncer::THEMES, base::WeakPtr<syncer_v2::ModelTypeStore>());
-  syncer_v2::ModelTypeProcessorImpl sessions_sync_proxy(
+  syncer_v2::SharedModelTypeProcessor sessions_sync_proxy(
       syncer::SESSIONS, base::WeakPtr<syncer_v2::ModelTypeStore>());
   scoped_refptr<base::DeferredSequencedTaskRunner> task_runner =
       new base::DeferredSequencedTaskRunner(
@@ -193,9 +193,9 @@ TEST_F(ModelTypeRegistryTest, NonBlockingTypes) {
 }
 
 TEST_F(ModelTypeRegistryTest, NonBlockingTypesWithDirectoryTypes) {
-  syncer_v2::ModelTypeProcessorImpl themes_sync_proxy(
+  syncer_v2::SharedModelTypeProcessor themes_sync_proxy(
       syncer::THEMES, base::WeakPtr<syncer_v2::ModelTypeStore>());
-  syncer_v2::ModelTypeProcessorImpl sessions_sync_proxy(
+  syncer_v2::SharedModelTypeProcessor sessions_sync_proxy(
       syncer::SESSIONS, base::WeakPtr<syncer_v2::ModelTypeStore>());
   scoped_refptr<base::DeferredSequencedTaskRunner> task_runner =
       new base::DeferredSequencedTaskRunner(
@@ -245,11 +245,11 @@ TEST_F(ModelTypeRegistryTest, NonBlockingTypesWithDirectoryTypes) {
 }
 
 TEST_F(ModelTypeRegistryTest, DeletionOrdering) {
-  scoped_ptr<syncer_v2::ModelTypeProcessorImpl> themes_sync_proxy(
-      new syncer_v2::ModelTypeProcessorImpl(
+  scoped_ptr<syncer_v2::SharedModelTypeProcessor> themes_sync_proxy(
+      new syncer_v2::SharedModelTypeProcessor(
           syncer::THEMES, base::WeakPtr<syncer_v2::ModelTypeStore>()));
-  scoped_ptr<syncer_v2::ModelTypeProcessorImpl> sessions_sync_proxy(
-      new syncer_v2::ModelTypeProcessorImpl(
+  scoped_ptr<syncer_v2::SharedModelTypeProcessor> sessions_sync_proxy(
+      new syncer_v2::SharedModelTypeProcessor(
           syncer::SESSIONS, base::WeakPtr<syncer_v2::ModelTypeStore>()));
   scoped_refptr<base::DeferredSequencedTaskRunner> task_runner =
       new base::DeferredSequencedTaskRunner(