Remove parts of //cc we aren't using

cc/debug/devtools_instrumentation.h

Index: cc/debug/devtools_instrumentation.h
diff --git a/cc/debug/devtools_instrumentation.h b/cc/debug/devtools_instrumentation.h
deleted file mode 100644
index f1faf6ff424515ce75a238e771c5ca780529f8d1..0000000000000000000000000000000000000000
--- a/cc/debug/devtools_instrumentation.h
+++ /dev/null
@@ -1,163 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
-#define CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
-
-#include "base/trace_event/trace_event.h"
-#include "base/trace_event/trace_event_argument.h"
-
-namespace cc {
-namespace devtools_instrumentation {
-
-namespace internal {
-const char kCategory[] = TRACE_DISABLED_BY_DEFAULT("devtools.timeline");
-const char kCategoryFrame[] =
-    TRACE_DISABLED_BY_DEFAULT("devtools.timeline.frame");
-const char kData[] = "data";
-const char kFrameId[] = "frameId";
-const char kLayerId[] = "layerId";
-const char kLayerTreeId[] = "layerTreeId";
-const char kPixelRefId[] = "pixelRefId";
-
-const char kImageDecodeTask[] = "ImageDecodeTask";
-const char kBeginFrame[] = "BeginFrame";
-const char kActivateLayerTree[] = "ActivateLayerTree";
-const char kRequestMainThreadFrame[] = "RequestMainThreadFrame";
-const char kBeginMainThreadFrame[] = "BeginMainThreadFrame";
-const char kDrawFrame[] = "DrawFrame";
-const char kCompositeLayers[] = "CompositeLayers";
-}  // namespace internal
-
-const char kPaintSetup[] = "PaintSetup";
-const char kUpdateLayer[] = "UpdateLayer";
-
-class ScopedLayerTask {
- public:
-  ScopedLayerTask(const char* event_name, int layer_id)
-    : event_name_(event_name) {
-    TRACE_EVENT_BEGIN1(internal::kCategory, event_name_,
-        internal::kLayerId, layer_id);
-  }
-  ~ScopedLayerTask() {
-    TRACE_EVENT_END0(internal::kCategory, event_name_);
-  }
- private:
-  const char* event_name_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedLayerTask);
-};
-
-class ScopedImageDecodeTask {
- public:
-  explicit ScopedImageDecodeTask(void* pixelRef) {
-    TRACE_EVENT_BEGIN1(internal::kCategory, internal::kImageDecodeTask,
-        internal::kPixelRefId, reinterpret_cast<uint64>(pixelRef));
-  }
-  ~ScopedImageDecodeTask() {
-    TRACE_EVENT_END0(internal::kCategory, internal::kImageDecodeTask);
-  }
- private:
-  DISALLOW_COPY_AND_ASSIGN(ScopedImageDecodeTask);
-};
-
-class ScopedLayerTreeTask {
- public:
-  ScopedLayerTreeTask(const char* event_name,
-                      int layer_id,
-                      int layer_tree_host_id)
-    : event_name_(event_name) {
-    TRACE_EVENT_BEGIN2(internal::kCategory, event_name_,
-        internal::kLayerId, layer_id,
-        internal::kLayerTreeId, layer_tree_host_id);
-  }
-  ~ScopedLayerTreeTask() {
-    TRACE_EVENT_END0(internal::kCategory, event_name_);
-  }
- private:
-  const char* event_name_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedLayerTreeTask);
-};
-
-struct ScopedCommitTrace {
- public:
-  explicit ScopedCommitTrace(int layer_tree_host_id) {
-    TRACE_EVENT_BEGIN1(internal::kCategory, internal::kCompositeLayers,
-                       internal::kLayerTreeId, layer_tree_host_id);
-  }
-  ~ScopedCommitTrace() {
-    TRACE_EVENT_END0(internal::kCategory, internal::kCompositeLayers);
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ScopedCommitTrace);
-};
-
-struct ScopedLayerObjectTracker
-    : public base::trace_event::TraceScopedTrackableObject<int> {
-  explicit ScopedLayerObjectTracker(int layer_id)
-      : base::trace_event::TraceScopedTrackableObject<int>(
-            internal::kCategory,
-            internal::kLayerId,
-            layer_id) {
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ScopedLayerObjectTracker);
-};
-
-inline void DidActivateLayerTree(int layer_tree_host_id, int frame_id) {
-  TRACE_EVENT_INSTANT2(internal::kCategoryFrame,
-                       internal::kActivateLayerTree,
-                       TRACE_EVENT_SCOPE_THREAD,
-                       internal::kLayerTreeId,
-                       layer_tree_host_id,
-                       internal::kFrameId,
-                       frame_id);
-}
-
-inline void DidBeginFrame(int layer_tree_host_id) {
-  TRACE_EVENT_INSTANT1(internal::kCategoryFrame,
-                       internal::kBeginFrame,
-                       TRACE_EVENT_SCOPE_THREAD,
-                       internal::kLayerTreeId,
-                       layer_tree_host_id);
-}
-
-inline void DidDrawFrame(int layer_tree_host_id) {
-  TRACE_EVENT_INSTANT1(internal::kCategoryFrame,
-                       internal::kDrawFrame,
-                       TRACE_EVENT_SCOPE_THREAD,
-                       internal::kLayerTreeId,
-                       layer_tree_host_id);
-}
-
-inline void DidRequestMainThreadFrame(int layer_tree_host_id) {
-  TRACE_EVENT_INSTANT1(internal::kCategoryFrame,
-                       internal::kRequestMainThreadFrame,
-                       TRACE_EVENT_SCOPE_THREAD,
-                       internal::kLayerTreeId,
-                       layer_tree_host_id);
-}
-
-inline scoped_refptr<base::trace_event::ConvertableToTraceFormat>
-BeginMainThreadFrameData(int frame_id) {
-  scoped_refptr<base::trace_event::TracedValue> value =
-      new base::trace_event::TracedValue();
-  value->SetInteger("frameId", frame_id);
-  return value;
-}
-
-inline void WillBeginMainThreadFrame(int layer_tree_host_id, int frame_id) {
-  TRACE_EVENT_INSTANT2(
-      internal::kCategoryFrame, internal::kBeginMainThreadFrame,
-      TRACE_EVENT_SCOPE_THREAD, internal::kLayerTreeId, layer_tree_host_id,
-      internal::kData, BeginMainThreadFrameData(frame_id));
-}
-
-}  // namespace devtools_instrumentation
-}  // namespace cc
-
-#endif  // CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_