Drag-and-drop: Move startDrag out of WebView/RenderView.

third_party/WebKit/Source/web/WebViewImpl.h

Index: third_party/WebKit/Source/web/WebViewImpl.h
diff --git a/third_party/WebKit/Source/web/WebViewImpl.h b/third_party/WebKit/Source/web/WebViewImpl.h
index d7b4643dfd8c589f14b37a752b394bda025bfda6..5cbf14d9716cbf6d33dd9445dafc71953644c31b 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.h
+++ b/third_party/WebKit/Source/web/WebViewImpl.h
@@ -389,13 +389,6 @@ class WEB_EXPORT WebViewImpl final
   void updateMainFrameLayoutSize();
   void updatePageDefinedViewportConstraints(const ViewportDescription&);
 
-  // Start a system drag and drop operation.
-  void startDragging(LocalFrame*,
-                     const WebDragData& dragData,
-                     WebDragOperationsMask mask,
-                     const WebImage& dragImage,
-                     const WebPoint& dragImageOffset);
-
   PagePopup* openPagePopup(PagePopupClient*);
   void closePagePopup(PagePopup*);
   void cleanupPagePopup();
@@ -511,6 +504,8 @@ class WEB_EXPORT WebViewImpl final
 
   ChromeClientImpl& chromeClient() const { return *m_chromeClientImpl.get(); }
 
+  void setDoingDragAndDrop(bool doing) { m_doingDragAndDrop = doing; }
+
  private:
   InspectorOverlay* inspectorOverlay();
 
@@ -669,6 +664,8 @@ class WEB_EXPORT WebViewImpl final
   float m_fakePageScaleAnimationPageScaleFactor;
   bool m_fakePageScaleAnimationUseAnchor;
 
+  // TODO(paulmeyer): Move this to WebWidget once all drag-and-drop functions
+  // are there.
   bool m_doingDragAndDrop;
 
   bool m_ignoreInputEvents;