Issue paint offset for SVGText, etc.

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp

Index: third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp
index dfc4dd7649571825a77990f8fc470fb8793b69ca..d2e774a9a755d1a45676f727d5bd119a7d5e5d19 100644
--- a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp
@@ -2587,6 +2587,25 @@ TEST_P(PaintPropertyTreeBuilderTest, SVGRootNoClip) {
       getLayoutObjectByElementId("svg")->paintProperties()->overflowClip());
 }
 
+TEST_P(PaintPropertyTreeBuilderTest, SVGTextPaintOffset) {
+  setBodyInnerHTML(
+      "<svg xmlns='http://www.w3.org/2000/svg' width='100px' height='100px'>"
+      "  <text id='text' x='77' y='88'>"
+      "    TEXT"
+      "    <tspan id='tspan' x='20' y='20'>TSPAN</tspan>"
+      "  </text>"
+      "</svg>");
+
+  LayoutObject* text = getLayoutObjectByElementId("text");
+  LayoutObject* tspan = getLayoutObjectByElementId("tspan");
+  LayoutPoint textPaintOffset = text->previousPaintOffset();
+  EXPECT_EQ(toLayoutBox(text)->location(), textPaintOffset);
+  // All inline and text descendants share the same paint offset.
+  EXPECT_EQ(textPaintOffset, text->slowFirstChild()->previousPaintOffset());
+  EXPECT_EQ(textPaintOffset, tspan->previousPaintOffset());
+  EXPECT_EQ(textPaintOffset, tspan->slowFirstChild()->previousPaintOffset());
+}
+
 TEST_P(PaintPropertyTreeBuilderTest,
        ThreadedScrollingDisabledMainThreadScrollReason) {
   setBodyInnerHTML(