Support dragging texts into Android WebView.

content/browser/android/content_view_core_impl.h

 // Copyright 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.
 
 #ifndef CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 260 matching lines @@
   void ExtractSmartClipData(JNIEnv* env,
                             const base::android::JavaParamRef<jobject>& obj,
                             jint x,
                             jint y,
                             jint width,
                             jint height);
 
   void SetBackgroundOpaque(JNIEnv* env,
                            const base::android::JavaParamRef<jobject>& jobj,
                            jboolean opaque);
+  void OnDragEntered(JNIEnv* env,
+                     const base::android::JavaParamRef<jobject>& jobj,
+                     int x,
+                     int y,
+                     int screen_x,
+                     int screen_y);
+  void OnDragUpdated(JNIEnv* env,
+                     const base::android::JavaParamRef<jobject>& jobj,
+                     int x,
+                     int y,
+                     int screen_x,
+                     int screen_y);
+  void OnPerformDrop(JNIEnv* env,
+                     const base::android::JavaParamRef<jobject>& jobj,
+                     int x,
+                     int y,
+                     int screen_x,
+                     int screen_y,
+                     const base::android::JavaParamRef<jstring>& content);
+  void OnDragExited(JNIEnv* env,
+                    const base::android::JavaParamRef<jobject>& jobj);
 
   jint GetCurrentRenderProcessId(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj);
 
   // --------------------------------------------------------------------------
   // Public methods that call to Java via JNI
   // --------------------------------------------------------------------------
 
   void OnSmartClipDataExtracted(const base::string16& text,
@@ skipping 175 matching lines @@
   scoped_refptr<GinJavaBridgeDispatcherHost> java_bridge_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_