Move PasteAsFragment() to EditorCommand.cpp.

Editor::PasteAsFragment() is called by PasteWithPasteboard() in
EditorCommand.cpp. Move it to make |Editor| class simpler for improving
code health.

BUG=672405
Signed-off-by: Zhuoyu Qian <zhuoyu.qian@samsung.com>
Change-Id: Ia6c2d5f4ecb936e9fade8437fb8db1ebae508ded
Reviewed-on: https://chromium-review.googlesource.com/933683
Commit-Queue: Yoshifumi Inoue <yosin@chromium.org>
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#539077}

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

@@ -411,17 +411,6 @@ void Editor::PasteAsPlainText(const String& pasting_text,
       GetFrame().DomWindow(), pasting_text, smart_replace));
 }
 
-void Editor::PasteAsFragment(DocumentFragment* pasting_fragment,
-                             bool smart_replace,
-                             bool match_style,
-                             EditorCommandSource source) {
-  Element* target = FindEventTargetForClipboardEvent(source);
-  if (!target)
-    return;
-  target->DispatchEvent(TextEvent::CreateForFragmentPaste(
-      GetFrame().DomWindow(), pasting_fragment, smart_replace, match_style));
-}
-
 bool Editor::DispatchCopyEvent(EditorCommandSource source) {
   // TODO(editing-dev): The use of UpdateStyleAndLayoutIgnorePendingStylesheets
   // needs to be audited.  See http://crbug.com/590369 for more details.

third_party/WebKit/Source/core/editing/Editor.h

@@ -210,10 +210,6 @@ class CORE_EXPORT Editor final : public GarbageCollectedFinalized<Editor> {
 
   void AddToKillRing(const EphemeralRange&);
 
-  void PasteAsFragment(DocumentFragment*,
-                       bool smart_replace,
-                       bool match_style,
-                       EditorCommandSource);
   void PasteAsPlainText(const String&, bool smart_replace, EditorCommandSource);
 
   Element* FindEventTargetFrom(const VisibleSelection&) const;

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

@@ -60,6 +60,7 @@
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/serializers/Serialization.h"
 #include "core/editing/spellcheck/SpellChecker.h"
+#include "core/events/TextEvent.h"
 #include "core/frame/ContentSettingsClient.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/LocalFrameView.h"
@@ -1840,6 +1841,19 @@ static bool DispatchPasteEvent(LocalFrame& frame,
       EventTypeNames::paste, kDataTransferReadable, source, paste_mode);
 }
 
+static void PasteAsFragment(LocalFrame& frame,
+                            DocumentFragment* pasting_fragment,
+                            bool smart_replace,
+                            bool match_style,
+                            EditorCommandSource source) {
+  Element* const target =
+      frame.GetEditor().FindEventTargetForClipboardEvent(source);
+  if (!target)
+    return;
+  target->DispatchEvent(TextEvent::CreateForFragmentPaste(
+      frame.DomWindow(), pasting_fragment, smart_replace, match_style));
+}
+
 static void PasteWithPasteboard(LocalFrame& frame,
                                 Pasteboard* pasteboard,
                                 EditorCommandSource source) {
@@ -1879,9 +1893,9 @@ static void PasteWithPasteboard(LocalFrame& frame,
   if (!fragment)
     return;
 
-  frame.GetEditor().PasteAsFragment(
-      fragment, CanSmartReplaceWithPasteboard(frame, pasteboard),
-      chose_plain_text, source);
+  PasteAsFragment(frame, fragment,
+                  CanSmartReplaceWithPasteboard(frame, pasteboard),
+                  chose_plain_text, source);
 }
 
 static void Paste(LocalFrame& frame, EditorCommandSource source) {