Add an interface to gather text surrounding the selection.

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 <vector>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_weak_ref.h"
-#include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process/process.h"
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/gfx/rect.h"
@@ skipping 32 matching lines @@
   virtual void ShowPastePopup(int x, int y) OVERRIDE;
   virtual void GetScaledContentBitmap(
       float scale,
       jobject bitmap_config,
       gfx::Rect src_subrect,
       const base::Callback<void(bool, const SkBitmap&)>& result_callback)
       OVERRIDE;
   virtual float GetDpiScale() const OVERRIDE;
   virtual void PauseVideo() OVERRIDE;
   virtual void PauseOrResumeGeolocation(bool should_pause) OVERRIDE;
+  virtual void RequestTextSurroundingSelection(
+      int max_length,
+      const base::Callback<void(const base::string16& content,
+                                int start_offset,
+                                int end_offset)>& callback) OVERRIDE;
 
   // --------------------------------------------------------------------------
   // Methods called from Java via JNI
   // --------------------------------------------------------------------------
 
   base::android::ScopedJavaLocalRef<jobject> GetWebContentsAndroid(JNIEnv* env,
                                                                    jobject obj);
 
   void OnJavaContentViewCoreDestroyed(JNIEnv* env, jobject obj);
 
@@ skipping 304 matching lines @@
       java_bridge_dispatcher_host_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_