Add batch information to json

tools/debugger/SkDebugCanvas.cpp

Index: tools/debugger/SkDebugCanvas.cpp
diff --git a/tools/debugger/SkDebugCanvas.cpp b/tools/debugger/SkDebugCanvas.cpp
index 89e53e1e7cbb8a91f9867bdaa30f9a9242b12a2d..9c0465d928a83fd281131e0aa480f126b167eb57 100644
--- a/tools/debugger/SkDebugCanvas.cpp
+++ b/tools/debugger/SkDebugCanvas.cpp
@@ -331,12 +331,12 @@ SkTDArray <SkDrawCommand*>& SkDebugCanvas::getDrawCommands() {
     return fCommandVector;
 }
 
-Json::Value SkDebugCanvas::toJSON(UrlDataManager& urlDataManager, int n) {
+Json::Value SkDebugCanvas::toJSON(UrlDataManager& urlDataManager, int n, SkCanvas* canvas) {
     Json::Value result = Json::Value(Json::objectValue);
     result[SKDEBUGCANVAS_ATTRIBUTE_VERSION] = Json::Value(SKDEBUGCANVAS_VERSION);
     Json::Value commands = Json::Value(Json::arrayValue);
     for (int i = 0; i < this->getSize() && i <= n; i++) {
-        commands[i] = this->getDrawCommandAt(i)->toJSON(urlDataManager);
+        commands[i] = this->getDrawCommandAt(i)->drawToAndCollectJSON(canvas, urlDataManager);
     }
     result[SKDEBUGCANVAS_ATTRIBUTE_COMMANDS] = commands;
     return result;