Initial import.

1 files changed, 75 insertions, 0 deletions

diff --git a/chromium/cc/debug/devtools_instrumentation.h b/chromium/cc/debug/devtools_instrumentation.h
new file mode 100644
index 00000000000..7a77d404454
--- /dev/null
+++ b/chromium/cc/debug/devtools_instrumentation.h
@@ -0,0 +1,75 @@
+// 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/debug/trace_event.h"
+
+namespace cc {
+namespace devtools_instrumentation {
+
+namespace internal {
+const char kCategory[] = "cc,devtools";
+const char kLayerId[] = "layerId";
+const char kLayerTreeId[] = "layerTreeId";
+}
+
+const char kPaintLayer[] = "PaintLayer";
+const char kRasterTask[] = "RasterTask";
+const char kImageDecodeTask[] = "ImageDecodeTask";
+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 ScopedLayerTreeTask {
+ public:
+  ScopedLayerTreeTask(const char* event_name,
+                      int layer_id,
+                      uint64 tree_id)
+    : event_name_(event_name) {
+    TRACE_EVENT_BEGIN2(internal::kCategory, event_name_,
+        internal::kLayerId, layer_id, internal::kLayerTreeId, tree_id);
+  }
+  ~ScopedLayerTreeTask() {
+    TRACE_EVENT_END0(internal::kCategory, event_name_);
+  }
+ private:
+  const char* event_name_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedLayerTreeTask);
+};
+
+struct ScopedLayerObjectTracker
+    : public base::debug::TraceScopedTrackableObject<int> {
+  explicit ScopedLayerObjectTracker(int layer_id)
+      : base::debug::TraceScopedTrackableObject<int>(
+            internal::kCategory,
+            internal::kLayerId,
+            layer_id) {
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ScopedLayerObjectTracker);
+};
+
+}  // namespace devtools_instrumentation
+}  // namespace cc
+
+#endif  // CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_