Plumbing for browser process to access text surrounding selection.

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index 64b1d582eca608e3d74a9dcea2fbc615e6fcaa91..4a298a890e61afdc8d9502fc7d5600cebb7237a3 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -2489,6 +2489,11 @@ public class ContentViewCore
         attachImeAdapter();
     }
 
+    @CalledByNative
+    private void onTextSurroundingSelectionResponse(
+            String content, int startOffset, int endOffset) {
+    }
+
     /**
      * Attaches the native ImeAdapter object to the java ImeAdapter to allow communication via JNI.
      */
@@ -3245,4 +3250,7 @@ public class ContentViewCore
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
     private native void nativeSetBackgroundOpaque(long nativeContentViewCoreImpl, boolean opaque);
+
+    private native void nativeTextSurroundingSelectionRequest(
+            long nativeContentViewCoreImpl, int maxLength);
 }