Remove dependency on SkJsonCanvas.h

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1748183007
NOTRY=True

Review URL: https://codereview.chromium.org/1748183007
diff --git a/tools/debugger/SkDrawCommand.cpp b/tools/debugger/SkDrawCommand.cpp
index 1af2998..34cbee7 100644
--- a/tools/debugger/SkDrawCommand.cpp
+++ b/tools/debugger/SkDrawCommand.cpp
@@ -456,7 +456,7 @@
     return result;
 }
 
-static Json::Value make_json_irect(const SkIRect& rect) {
+Json::Value SkDrawCommand::MakeJsonIRect(const SkIRect& rect) {
     Json::Value result(Json::arrayValue);
     result.append(Json::Value(rect.left()));
     result.append(Json::Value(rect.top()));
@@ -475,7 +475,7 @@
     return result;
 }
 
-static Json::Value make_json_matrix(const SkMatrix& matrix) {
+Json::Value SkDrawCommand::MakeJsonMatrix(const SkMatrix& matrix) {
     Json::Value result(Json::arrayValue);
     Json::Value row1(Json::arrayValue);
     row1.append(Json::Value(matrix[0]));
@@ -1707,7 +1707,7 @@
 
 Json::Value SkConcatCommand::toJSON(UrlDataManager& urlDataManager) const {
     Json::Value result = INHERITED::toJSON(urlDataManager);
-    result[SKDEBUGCANVAS_ATTRIBUTE_MATRIX] = make_json_matrix(fMatrix);
+    result[SKDEBUGCANVAS_ATTRIBUTE_MATRIX] = MakeJsonMatrix(fMatrix);
     return result;
 }
 
@@ -1819,7 +1819,7 @@
     Json::Value encoded;
     if (flatten(fBitmap, &encoded, urlDataManager)) {
         result[SKDEBUGCANVAS_ATTRIBUTE_BITMAP] = encoded;
-        result[SKDEBUGCANVAS_ATTRIBUTE_CENTER] = make_json_irect(fCenter);
+        result[SKDEBUGCANVAS_ATTRIBUTE_CENTER] = MakeJsonIRect(fCenter);
         result[SKDEBUGCANVAS_ATTRIBUTE_DST] = make_json_rect(fDst);
         if (fPaintPtr != nullptr) {
             result[SKDEBUGCANVAS_ATTRIBUTE_PAINT] = make_json_paint(*fPaintPtr, urlDataManager);
@@ -2883,7 +2883,7 @@
     Json::Value coords(Json::arrayValue);
     result[SKDEBUGCANVAS_ATTRIBUTE_PATH] = make_json_path(fPath);
     if (!fMatrix.isIdentity()) {
-        result[SKDEBUGCANVAS_ATTRIBUTE_MATRIX] = make_json_matrix(fMatrix);
+        result[SKDEBUGCANVAS_ATTRIBUTE_MATRIX] = MakeJsonMatrix(fMatrix);
     }
     result[SKDEBUGCANVAS_ATTRIBUTE_PAINT] = make_json_paint(fPaint, urlDataManager);
     return result;
@@ -3105,7 +3105,7 @@
 
 Json::Value SkSetMatrixCommand::toJSON(UrlDataManager& urlDataManager) const {
     Json::Value result = INHERITED::toJSON(urlDataManager);
-    result[SKDEBUGCANVAS_ATTRIBUTE_MATRIX] = make_json_matrix(fMatrix);
+    result[SKDEBUGCANVAS_ATTRIBUTE_MATRIX] = MakeJsonMatrix(fMatrix);
     return result;
 }
 
diff --git a/tools/debugger/SkDrawCommand.h b/tools/debugger/SkDrawCommand.h
index 74c2b2c..a2835dc 100644
--- a/tools/debugger/SkDrawCommand.h
+++ b/tools/debugger/SkDrawCommand.h
@@ -113,6 +113,10 @@
 
     static const char* GetCommandString(OpType type);
 
+    // Helper methods for converting things to JSON
+    static Json::Value MakeJsonIRect(const SkIRect&);
+    static Json::Value MakeJsonMatrix(const SkMatrix&);
+
 protected:
     SkTDArray<SkString*> fInfo;
 
diff --git a/tools/skiaserve/Request.cpp b/tools/skiaserve/Request.cpp
index 8ffcc36..46e3039 100644
--- a/tools/skiaserve/Request.cpp
+++ b/tools/skiaserve/Request.cpp
@@ -9,8 +9,6 @@
 
 #include "png.h"
 
-#include "SkJSONCanvas.h"
-
 const int Request::kImageWidth = 1920;
 const int Request::kImageHeight = 1080;
 
@@ -228,8 +226,8 @@
     SkMatrix vm = fDebugCanvas->getCurrentMatrix();
     SkIRect clip = fDebugCanvas->getCurrentClip();
     Json::Value info(Json::objectValue);
-    info["ViewMatrix"] = SkJSONCanvas::MakeMatrix(vm);
-    info["ClipRect"] = SkJSONCanvas::MakeIRect(clip);
+    info["ViewMatrix"] = SkDrawCommand::MakeJsonMatrix(vm);
+    info["ClipRect"] = SkDrawCommand::MakeJsonIRect(clip);
 
     std::string json = Json::FastWriter().write(info);