Rename SyncTypePreferenceProvider::GetPreferredDataTypes to *Forced*

That's what it means, and it avoids confusion with other
GetPreferredDataTypes methods.

Bug: none
Change-Id: If47b53cf474252f8b27d91fc582e527059179ed3
Reviewed-on: https://chromium-review.googlesource.com/c/1341837Reviewed-by: Florian Uunk <feuunk@chromium.org>
Commit-Queue: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609304}

chrome/browser/supervised_user/supervised_user_service.cc

@@ -984,7 +984,7 @@ void SupervisedUserService::SetExtensionsActive() {
 }
 #endif  // BUILDFLAG(ENABLE_EXTENSIONS)
 
-syncer::ModelTypeSet SupervisedUserService::GetPreferredDataTypes() const {
+syncer::ModelTypeSet SupervisedUserService::GetForcedDataTypes() const {
   if (!ProfileIsSupervised())
     return syncer::ModelTypeSet();
 

chrome/browser/supervised_user/supervised_user_service.h

@@ -174,7 +174,7 @@ class SupervisedUserService : public KeyedService,
   void Shutdown() override;
 
   // SyncTypePreferenceProvider implementation:
-  syncer::ModelTypeSet GetPreferredDataTypes() const override;
+  syncer::ModelTypeSet GetForcedDataTypes() const override;
 
 #if !defined(OS_ANDROID)
   // BrowserListObserver implementation:

components/browser_sync/profile_sync_service.cc

@@ -1423,7 +1423,7 @@ syncer::ModelTypeSet ProfileSyncService::GetForcedDataTypes() const {
   syncer::ModelTypeSet forced_types;
   for (const syncer::SyncTypePreferenceProvider* provider :
        preference_providers_) {
-    forced_types.PutAll(provider->GetPreferredDataTypes());
+    forced_types.PutAll(provider->GetForcedDataTypes());
   }
   return Intersection(forced_types, GetRegisteredDataTypes());
 }

components/sync/driver/sync_type_preference_provider.h

@@ -11,7 +11,7 @@ namespace syncer {
 
 class SyncTypePreferenceProvider {
  public:
-  virtual ModelTypeSet GetPreferredDataTypes() const = 0;
+  virtual ModelTypeSet GetForcedDataTypes() const = 0;
 
  protected:
   virtual ~SyncTypePreferenceProvider() {}