Remove HistogramSupport abstraction layer

Source/modules/indexeddb/IDBFactory.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 16 matching lines @@
  */
 
 #include "config.h"
 #include "modules/indexeddb/IDBFactory.h"
 
 #include "bindings/v8/ExceptionMessages.h"
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/IDBBindingUtilities.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
-#include "core/platform/HistogramSupport.h"
 #include "modules/indexeddb/IDBDatabase.h"
 #include "modules/indexeddb/IDBDatabaseCallbacksImpl.h"
 #include "modules/indexeddb/IDBFactoryBackendInterface.h"
 #include "modules/indexeddb/IDBHistograms.h"
 #include "modules/indexeddb/IDBKey.h"
 #include "modules/indexeddb/IDBOpenDBRequest.h"
 #include "modules/indexeddb/IDBTracing.h"
+#include "public/platform/Platform.h"
 #include "weborigin/DatabaseIdentifier.h"
 #include "weborigin/SecurityOrigin.h"
 
 namespace WebCore {
 
 IDBFactory::IDBFactory(IDBFactoryBackendInterface* factory)
     : m_backend(factory)
 {
     // We pass a reference to this object before it can be adopted.
     relaxAdoptionRequirement();
@@ skipping 34 matching lines @@
     IDB_TRACE("IDBFactory::open");
     if (!version) {
         es.throwUninformativeAndGenericTypeError();
         return 0;
     }
     return openInternal(context, name, version, es);
 }
 
 PassRefPtr<IDBOpenDBRequest> IDBFactory::openInternal(ExecutionContext* context, const String& name, int64_t version, ExceptionState& es)
 {
-    HistogramSupport::histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBOpenCall, IDBMethodsMax);
+    WebKit::Platform::current()->histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBOpenCall, IDBMethodsMax);
     ASSERT(version >= 1 || version == IDBDatabaseMetadata::NoIntVersion);
     if (name.isNull()) {
         es.throwUninformativeAndGenericTypeError();
         return 0;
     }
     if (!isContextValid(context))
         return 0;
     if (!context->securityOrigin()->canAccessDatabase()) {
         es.throwSecurityError(ExceptionMessages::failedToExecute("open", "IDBFactory", "access to the Indexed Database API is denied in this context."));
         return 0;
     }
 
     RefPtr<IDBDatabaseCallbacksImpl> databaseCallbacks = IDBDatabaseCallbacksImpl::create();
     int64_t transactionId = IDBDatabase::nextTransactionId();
     RefPtr<IDBOpenDBRequest> request = IDBOpenDBRequest::create(context, databaseCallbacks, transactionId, version);
     m_backend->open(name, version, transactionId, request, databaseCallbacks, createDatabaseIdentifierFromSecurityOrigin(context->securityOrigin()), context);
     return request;
 }
 
 PassRefPtr<IDBOpenDBRequest> IDBFactory::open(ExecutionContext* context, const String& name, ExceptionState& es)
 {
     IDB_TRACE("IDBFactory::open");
     return openInternal(context, name, IDBDatabaseMetadata::NoIntVersion, es);
 }
 
 PassRefPtr<IDBOpenDBRequest> IDBFactory::deleteDatabase(ExecutionContext* context, const String& name, ExceptionState& es)
 {
     IDB_TRACE("IDBFactory::deleteDatabase");
-    HistogramSupport::histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBDeleteDatabaseCall, IDBMethodsMax);
+    WebKit::Platform::current()->histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBDeleteDatabaseCall, IDBMethodsMax);
     if (name.isNull()) {
         es.throwUninformativeAndGenericTypeError();
         return 0;
     }
     if (!isContextValid(context))
         return 0;
     if (!context->securityOrigin()->canAccessDatabase()) {
         es.throwSecurityError(ExceptionMessages::failedToExecute("deleteDatabase", "IDBFactory", "access to the Indexed Database API is denied in this context."));
         return 0;
     }
@@ skipping 14 matching lines @@
 
     if (!first->isValid() || !second->isValid()) {
         es.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
         return 0;
     }
 
     return static_cast<short>(first->compare(second.get()));
 }
 
 } // namespace WebCore