Remove Enumeration Histograms from the Blink Platform API.

third_party/WebKit/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 17 matching lines @@
 
 #include "modules/indexeddb/IDBFactory.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/modules/v8/V8BindingForModules.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/indexeddb/IDBDatabase.h"
 #include "modules/indexeddb/IDBDatabaseCallbacks.h"
-#include "modules/indexeddb/IDBHistograms.h"
 #include "modules/indexeddb/IDBKey.h"
 #include "modules/indexeddb/IDBTracing.h"
 #include "modules/indexeddb/IndexedDBClient.h"
 #include "modules/indexeddb/WebIDBCallbacksImpl.h"
 #include "modules/indexeddb/WebIDBDatabaseCallbacksImpl.h"
+#include "platform/Histogram.h"
 #include "platform/weborigin/DatabaseIdentifier.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/Platform.h"
 #include "public/platform/modules/indexeddb/WebIDBFactory.h"
 
 namespace blink {
 
 static const char permissionDeniedErrorMessage[] = "The user denied permission to access the database.";
 
 IDBFactory::IDBFactory(IndexedDBClient* permissionClient)
@@ skipping 42 matching lines @@
     IDB_TRACE("IDBFactory::open");
     if (!version) {
         exceptionState.throwTypeError("The version provided must not be 0.");
         return nullptr;
     }
     return openInternal(scriptState, name, version, exceptionState);
 }
 
 IDBOpenDBRequest* IDBFactory::openInternal(ScriptState* scriptState, const String& name, int64_t version, ExceptionState& exceptionState)
 {
-    Platform::current()->histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBOpenCall, IDBMethodsMax);
+    IDBDatabase::recordApiCallsHistogram(IDBOpenCall);
     ASSERT(version >= 1 || version == IDBDatabaseMetadata::NoIntVersion);
     if (!isContextValid(scriptState->executionContext()))
         return nullptr;
     if (!scriptState->executionContext()->securityOrigin()->canAccessDatabase()) {
         exceptionState.throwSecurityError("access to the Indexed Database API is denied in this context.");
         return nullptr;
     }
 
     IDBDatabaseCallbacks* databaseCallbacks = IDBDatabaseCallbacks::create();
     int64_t transactionId = IDBDatabase::nextTransactionId();
@@ skipping 10 matching lines @@
 
 IDBOpenDBRequest* IDBFactory::open(ScriptState* scriptState, const String& name, ExceptionState& exceptionState)
 {
     IDB_TRACE("IDBFactory::open");
     return openInternal(scriptState, name, IDBDatabaseMetadata::NoIntVersion, exceptionState);
 }
 
 IDBOpenDBRequest* IDBFactory::deleteDatabase(ScriptState* scriptState, const String& name, ExceptionState& exceptionState)
 {
     IDB_TRACE("IDBFactory::deleteDatabase");
-    Platform::current()->histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBDeleteDatabaseCall, IDBMethodsMax);
+    IDBDatabase::recordApiCallsHistogram(IDBDeleteDatabaseCall);
     if (!isContextValid(scriptState->executionContext()))
         return nullptr;
     if (!scriptState->executionContext()->securityOrigin()->canAccessDatabase()) {
         exceptionState.throwSecurityError("access to the Indexed Database API is denied in this context.");
         return nullptr;
     }
 
     IDBOpenDBRequest* request = IDBOpenDBRequest::create(scriptState, nullptr, 0, IDBDatabaseMetadata::DefaultIntVersion);
 
     if (!m_permissionClient->allowIndexedDB(scriptState->executionContext(), name)) {
@@ skipping 22 matching lines @@
     ASSERT(second);
     if (!second->isValid()) {
         exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
         return 0;
     }
 
     return static_cast<short>(first->compare(second));
 }
 
 } // namespace blink