Remove the unnecessary blockquote after indenting an empty blockquote

third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp

Index: third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp b/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
index 8c6f691acaa73280127d870e1cbcd3db7327a4f5..a69d57d5fb05317a0c6673dab97414960ecd3781 100644
--- a/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
@@ -136,9 +136,14 @@ void IndentOutdentCommand::indentIntoBlockquote(const Position& start, const Pos
         // Create a new blockquote and insert it as a child of the root editable element. We accomplish
         // this by splitting all parents of the current paragraph up to that point.
         targetBlockquote = createBlockElement();
-        if (outerBlock == start.computeContainerNode())
-            insertNodeAt(targetBlockquote, start, editingState);
-        else
+        if (outerBlock == start.computeContainerNode()) {
+            // When we apply indent to an empty <blockquote>, we should call insertNodeAfter().
+            // See http://crbug.com/625802 for more details.
+            if (outerBlock->hasTagName(blockquoteTag))
+                insertNodeAfter(targetBlockquote, outerBlock, editingState);
+            else
+                insertNodeAt(targetBlockquote, start, editingState);
+        } else
             insertNodeBefore(targetBlockquote, outerBlock, editingState);
         if (editingState->isAborted())
             return;