Drag-and-drop: Target drag messages to specific RenderWidgets.

content/browser/web_contents/web_contents_view_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/web_contents/web_contents_view_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "cc/layers/layer.h"
@@ skipping 252 matching lines @@
 void WebContentsViewAndroid::HidePopupMenu() {
   if (content_view_core_)
     content_view_core_->HideSelectPopupMenu();
 }
 
 void WebContentsViewAndroid::StartDragging(
     const DropData& drop_data,
     blink::WebDragOperationsMask allowed_ops,
     const gfx::ImageSkia& image,
     const gfx::Vector2d& image_offset,
-    const DragEventSourceInfo& event_info) {
+    const DragEventSourceInfo& event_info,
+    RenderWidgetHostImpl* source_rwh) {
   if (drop_data.text.is_null()) {
     // Need to clear drag and drop state in blink.
     OnDragEnded();
     return;
   }
 
   gfx::NativeView native_view = GetNativeView();
   if (!native_view) {
     // Need to clear drag and drop state in blink.
     OnDragEnded();
@@ skipping 80 matching lines @@
 // This is called when we the renderer asks us to take focus back (i.e., it has
 // iterated past the last focusable element on the page).
 void WebContentsViewAndroid::TakeFocus(bool reverse) {
   if (web_contents_->GetDelegate() &&
       web_contents_->GetDelegate()->TakeFocus(web_contents_, reverse))
     return;
   web_contents_->GetRenderWidgetHostView()->Focus();
 }
 
 } // namespace content