add annotations to debugger

tools/debugger/SkDebugCanvas.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvasPriv.h"
 #include "SkClipStack.h"
 #include "SkDebugCanvas.h"
@@ skipping 534 matching lines @@
 
 void SkDebugCanvas::onClipRegion(const SkRegion& region, SkRegion::Op op) {
     this->addDrawCommand(new SkClipRegionCommand(region, op));
 }
 
 void SkDebugCanvas::didConcat(const SkMatrix& matrix) {
     this->addDrawCommand(new SkConcatCommand(matrix));
     this->INHERITED::didConcat(matrix);
 }
 
+void SkDebugCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
+    this->addDrawCommand(new SkDrawAnnotationCommand(rect, key, sk_ref_sp(value)));
+}
+
 void SkDebugCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar left,
                                  SkScalar top, const SkPaint* paint) {
     this->addDrawCommand(new SkDrawBitmapCommand(bitmap, left, top, paint));
 }
 
 void SkDebugCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
                                      const SkPaint* paint, SrcRectConstraint constraint) {
     this->addDrawCommand(new SkDrawBitmapRectCommand(bitmap, src, dst, paint,
                                                      (SrcRectConstraint)constraint));
 }
@@ skipping 238 matching lines @@
 }
 
 bool SkDebugCanvas::lastClipStackData(const SkPath& devPath) {
     if (fCalledAddStackData) {
         fClipStackData.appendf("<br>");
         addPathData(devPath, "pathOut");
         return true;
     }
     return false;
 }