[Sync] Move sessions/ to engine/cycle/ and rename things to match.

components/sync/engine_impl/cycle/sync_cycle_context.h

Index: components/sync/engine_impl/cycle/sync_cycle_context.h
diff --git a/components/sync/sessions_impl/sync_session_context.h b/components/sync/engine_impl/cycle/sync_cycle_context.h
similarity index 79%
rename from components/sync/sessions_impl/sync_session_context.h
rename to components/sync/engine_impl/cycle/sync_cycle_context.h
index 11f6183fe61b9635164541065432bddc5c382d5f..cedd99e14e4e600206399e413e026d822c7c3b3c 100644
--- a/components/sync/sessions_impl/sync_session_context.h
+++ b/components/sync/engine_impl/cycle/sync_cycle_context.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// SyncSessionContext encapsulates the contextual information and engine
-// components specific to a SyncSession.  Unlike the SyncSession, the context
+// SyncCycleContext encapsulates the contextual information and engine
+// components specific to a SyncCycle.  Unlike the SyncCycle, the context
 // can be reused across several sync cycles.
 //
 // The context does not take ownership of its pointer members.  It's up to
@@ -12,8 +12,8 @@
 //
 // It can only be used from the SyncerThread.
 
-#ifndef COMPONENTS_SYNC_SESSIONS_IMPL_SYNC_SESSION_CONTEXT_H_
-#define COMPONENTS_SYNC_SESSIONS_IMPL_SYNC_SESSION_CONTEXT_H_
+#ifndef COMPONENTS_SYNC_ENGINE_IMPL_CYCLE_SYNC_CYCLE_CONTEXT_H_
+#define COMPONENTS_SYNC_ENGINE_IMPL_CYCLE_SYNC_CYCLE_CONTEXT_H_
 
 #include <stdint.h>
 
@@ -21,9 +21,9 @@
 #include <vector>
 
 #include "base/macros.h"
+#include "components/sync/engine_impl/cycle/debug_info_getter.h"
 #include "components/sync/engine_impl/model_type_registry.h"
 #include "components/sync/engine_impl/sync_engine_event_listener.h"
-#include "components/sync/sessions_impl/debug_info_getter.h"
 
 namespace syncer {
 
@@ -38,22 +38,19 @@ class Directory;
 // Default number of items a client can commit in a single message.
 static const int kDefaultMaxCommitBatchSize = 25;
 
-namespace sessions {
-class TestScopedSessionEventListener;
-
-class SyncSessionContext {
+class SyncCycleContext {
  public:
-  SyncSessionContext(ServerConnectionManager* connection_manager,
-                     syncable::Directory* directory,
-                     ExtensionsActivity* extensions_activity,
-                     const std::vector<SyncEngineEventListener*>& listeners,
-                     DebugInfoGetter* debug_info_getter,
-                     ModelTypeRegistry* model_type_registry,
-                     bool keystore_encryption_enabled,
-                     bool client_enabled_pre_commit_update_avoidance,
-                     const std::string& invalidator_client_id);
-
-  ~SyncSessionContext();
+  SyncCycleContext(ServerConnectionManager* connection_manager,
+                   syncable::Directory* directory,
+                   ExtensionsActivity* extensions_activity,
+                   const std::vector<SyncEngineEventListener*>& listeners,
+                   DebugInfoGetter* debug_info_getter,
+                   ModelTypeRegistry* model_type_registry,
+                   bool keystore_encryption_enabled,
+                   bool client_enabled_pre_commit_update_avoidance,
+                   const std::string& invalidator_client_id);
+
+  ~SyncCycleContext();
 
   ServerConnectionManager* connection_manager() { return connection_manager_; }
   syncable::Directory* directory() { return directory_; }
@@ -123,11 +120,6 @@ class SyncSessionContext {
   void set_cookie_jar_empty(bool empty_jar) { cookie_jar_empty_ = empty_jar; }
 
  private:
-  // Rather than force clients to set and null-out various context members, we
-  // extend our encapsulation boundary to scoped helpers that take care of this
-  // once they are allocated. See definitions of these below.
-  friend class TestScopedSessionEventListener;
-
   base::ObserverList<SyncEngineEventListener> listeners_;
 
   ServerConnectionManager* const connection_manager_;
@@ -184,10 +176,9 @@ class SyncSessionContext {
   // If there's a cookie jar mismatch, whether the cookie jar was empty or not.
   bool cookie_jar_empty_;
 
-  DISALLOW_COPY_AND_ASSIGN(SyncSessionContext);
+  DISALLOW_COPY_AND_ASSIGN(SyncCycleContext);
 };
 
-}  // namespace sessions
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_SESSIONS_IMPL_SYNC_SESSION_CONTEXT_H_
+#endif  // COMPONENTS_SYNC_ENGINE_IMPL_CYCLE_SYNC_CYCLE_CONTEXT_H_