Make RenderedRectsForMarkers() to ignore disconnected nodes.

third_party/WebKit/Source/core/editing/VisibleUnitsTest.cpp

Index: third_party/WebKit/Source/core/editing/VisibleUnitsTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/VisibleUnitsTest.cpp b/third_party/WebKit/Source/core/editing/VisibleUnitsTest.cpp
index c4d76ac5dca6b6645be5214ea354509a89591a3f..c04b267d100c1e865c0b42eff045169b8b4a29ad 100644
--- a/third_party/WebKit/Source/core/editing/VisibleUnitsTest.cpp
+++ b/third_party/WebKit/Source/core/editing/VisibleUnitsTest.cpp
@@ -1977,4 +1977,47 @@ TEST_F(VisibleUnitsTest,
   EXPECT_EQ(Position(text, 2), start);
 }
 
+TEST_F(VisibleUnitsTest, boundingBoxWithEphemeralRange) {
+  const char* bodyContent =
+      "<p id='host'>1"
+      "<b id='one'>22</b>"
+      "<b id='two'>333</b>"
+      "<b id='three'>4444</b>"
+      "</p>";
+  setBodyContent(bodyContent);
+
+  const Position startPosition(document().getElementById("one"), 0);
+  const Position endPosition(document().getElementById("three"), 0);
+  Range* range = Range::create(document());
+  range->selectNode(document().body());
+  range->setStart(document().getElementById("one"), 0,
+                  IGNORE_EXCEPTION_FOR_TESTING);
+  range->setEnd(document().getElementById("three"), 0,
+                IGNORE_EXCEPTION_FOR_TESTING);
+  const EphemeralRange ephemeralRange(startPosition, endPosition);
+  EXPECT_EQ(range->boundingBox(), boundingBox(ephemeralRange));
+}
+
+TEST_F(VisibleUnitsTest, boundingBoxWithEphemeralRangeInFlatTree) {
+  const char* bodyContent =
+      "<p id='host'>1"
+      "<b id='one'>22</b>"
+      "<b id='two'>333</b>"
+      "<b id='three'>4444</b>"
+      "</p>";
+  setBodyContent(bodyContent);
+
+  const PositionInFlatTree startPosition(document().getElementById("one"), 0);
+  const PositionInFlatTree endPosition(document().getElementById("three"), 0);
+  Range* range = Range::create(document());
+  range->selectNode(document().body());
+  range->setStart(document().getElementById("one"), 0,
+                  IGNORE_EXCEPTION_FOR_TESTING);
+  range->setEnd(document().getElementById("three"), 0,
+                IGNORE_EXCEPTION_FOR_TESTING);
+  const EphemeralRangeInFlatTree ephemeralRangeInFlatTree(startPosition,
+                                                          endPosition);
+  EXPECT_EQ(range->boundingBox(), boundingBox(ephemeralRangeInFlatTree));
+}
+
 }  // namespace blink