Use SkPictureBuilder in SVGShapePainter, and generalize SkPictureBuilder.

Source/platform/graphics/paint/SkPictureBuilder.h

Index: Source/platform/graphics/paint/SkPictureBuilder.h
diff --git a/Source/platform/graphics/paint/SkPictureBuilder.h b/Source/platform/graphics/paint/SkPictureBuilder.h
index d07824566013d96558d75e25b06c498da79402ee..8a3234414ad7e9e8fccece8b92f0d2cc2fcedc78 100644
--- a/Source/platform/graphics/paint/SkPictureBuilder.h
+++ b/Source/platform/graphics/paint/SkPictureBuilder.h
@@ -18,9 +18,13 @@ class SkPictureBuilder {
     WTF_MAKE_NONCOPYABLE(SkPictureBuilder);
     STACK_ALLOCATED();
 public:
-    SkPictureBuilder(const FloatRect& bounds, GraphicsContext::DisabledMode disabledMode = GraphicsContext::NothingDisabled, SkMetaData* metaData = 0)
+    SkPictureBuilder(const FloatRect& bounds, SkMetaData* metaData = 0, GraphicsContext* containingContext = 0)
         : m_bounds(bounds)
     {
+        GraphicsContext::DisabledMode disabledMode = GraphicsContext::NothingDisabled;
+        if (containingContext && containingContext->contextDisabled())
+            disabledMode = GraphicsContext::FullyDisabled;
+
         if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
             m_displayItemList = DisplayItemList::create();
             m_context = adoptPtr(new GraphicsContext(m_displayItemList.get(), disabledMode, metaData));
@@ -28,6 +32,11 @@ public:
             m_context = GraphicsContext::deprecatedCreateWithCanvas(nullptr, disabledMode, metaData);
             m_context->beginRecording(m_bounds);
         }
+
+        if (containingContext) {
+            m_context->setDeviceScaleFactor(containingContext->deviceScaleFactor());
+            m_context->setPrinting(containingContext->printing());
+        }
     }
 
     GraphicsContext& context() { return *m_context; }