[instrumentation] Generalize instrumentation to be used beyond the core layer

third_party/WebKit/Source/platform/PlatformInstrumentation.h

Index: third_party/WebKit/Source/platform/PlatformInstrumentation.h
diff --git a/third_party/WebKit/Source/platform/PlatformInstrumentation.h b/third_party/WebKit/Source/platform/PlatformInstrumentation.h
deleted file mode 100644
index 239c36727c2f379b4b8483acc8fae4e042c0cd08..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/platform/PlatformInstrumentation.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2012 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef PlatformInstrumentation_h
-#define PlatformInstrumentation_h
-
-#include "platform/PlatformExport.h"
-#include "platform/instrumentation/tracing/TraceEvent.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-class PLATFORM_EXPORT PlatformInstrumentation {
- public:
-  class LazyPixelRefTracker : TraceEvent::TraceScopedTrackableObject<void*> {
-   public:
-    LazyPixelRefTracker(void* instance)
-        : TraceEvent::TraceScopedTrackableObject<void*>(CategoryName,
-                                                        LazyPixelRef,
-                                                        instance) {}
-  };
-
-  static const char ImageDecodeEvent[];
-  static const char ImageResizeEvent[];
-  static const char DrawLazyPixelRefEvent[];
-  static const char DecodeLazyPixelRefEvent[];
-
-  static const char ImageTypeArgument[];
-  static const char CachedArgument[];
-
-  static const char LazyPixelRef[];
-
-  static void willDecodeImage(const String& imageType);
-  static void didDecodeImage();
-  static void didDrawLazyPixelRef(unsigned long long lazyPixelRefId);
-  static void willDecodeLazyPixelRef(unsigned long long lazyPixelRefId);
-  static void didDecodeLazyPixelRef();
-
- private:
-  static const char CategoryName[];
-};
-
-inline void PlatformInstrumentation::willDecodeImage(const String& imageType) {
-  TRACE_EVENT_BEGIN1(CategoryName, ImageDecodeEvent, ImageTypeArgument,
-                     imageType.ascii());
-}
-
-inline void PlatformInstrumentation::didDecodeImage() {
-  TRACE_EVENT_END0(CategoryName, ImageDecodeEvent);
-}
-
-inline void PlatformInstrumentation::didDrawLazyPixelRef(
-    unsigned long long lazyPixelRefId) {
-  TRACE_EVENT_INSTANT1(CategoryName, DrawLazyPixelRefEvent,
-                       TRACE_EVENT_SCOPE_THREAD, LazyPixelRef, lazyPixelRefId);
-}
-
-inline void PlatformInstrumentation::willDecodeLazyPixelRef(
-    unsigned long long lazyPixelRefId) {
-  TRACE_EVENT_BEGIN1(CategoryName, DecodeLazyPixelRefEvent, LazyPixelRef,
-                     lazyPixelRefId);
-}
-
-inline void PlatformInstrumentation::didDecodeLazyPixelRef() {
-  TRACE_EVENT_END0(CategoryName, DecodeLazyPixelRefEvent);
-}
-
-}  // namespace blink
-
-#endif  // PlatformInstrumentation_h