Add an interface to gather text surrounding the selection.

content/browser/android/content_view_core_impl.h

Index: content/browser/android/content_view_core_impl.h
diff --git a/content/browser/android/content_view_core_impl.h b/content/browser/android/content_view_core_impl.h
index 6c003df44620f384a828e460fbba36473f982419..8d6139740cf85181bc4098a4ec30b5957cbedec6 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -9,7 +9,6 @@
 
 #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"
@@ -17,6 +16,7 @@
 #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/android/text_surroundings_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/gfx/rect.h"
@@ -62,6 +62,9 @@ class ContentViewCoreImpl : public ContentViewCore,
   virtual float GetDpiScale() const OVERRIDE;
   virtual void PauseVideo() OVERRIDE;
   virtual void PauseOrResumeGeolocation(bool should_pause) OVERRIDE;
+  virtual void SetTextSurroundingsDelegate(TextSurroundingsDelegate* delegate)
+      OVERRIDE;
+  virtual void RequestTextSurroundingSelection(int max_length) const OVERRIDE;
 
   // --------------------------------------------------------------------------
   // Methods called from Java via JNI
@@ -226,6 +229,11 @@ class ContentViewCoreImpl : public ContentViewCore,
 
   jint GetCurrentRenderProcessId(JNIEnv* env, jobject obj);
 
+  void OnTextSurroundingSelectionResponse(const base::string16& content,
+                                          int start_offset,
+                                          int end_offset);
+
+
   // --------------------------------------------------------------------------
   // Public methods that call to Java via JNI
   // --------------------------------------------------------------------------
@@ -378,6 +386,8 @@ class ContentViewCoreImpl : public ContentViewCore,
   scoped_ptr<JavaBridgeDispatcherHostManager>
       java_bridge_dispatcher_host_manager_;
 
+  TextSurroundingsDelegate* text_surroundings_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };