Implementing directional selection strategy in Blink.

Source/core/editing/SelectionStrategy.h

Index: Source/core/editing/SelectionStrategy.h
diff --git a/public/platform/WebHTTPHeaderVisitor.h b/Source/core/editing/SelectionStrategy.h
similarity index 81%
copy from public/platform/WebHTTPHeaderVisitor.h
copy to Source/core/editing/SelectionStrategy.h
index ff60384e14f03ec7a1a80e4388ccd14d46fd5c4d..49d63165bf8b79cd01965a4a837e14e09fdaad32 100644
--- a/public/platform/WebHTTPHeaderVisitor.h
+++ b/Source/core/editing/SelectionStrategy.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009 Google Inc. All rights reserved.
+ * Copyright 2014, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -28,21 +28,19 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebHTTPHeaderVisitor_h
-#define WebHTTPHeaderVisitor_h
+#ifndef SelectionStrategy_h
+#define SelectionStrategy_h
 
 namespace blink {
 
-class WebString;
-
-class WebHTTPHeaderVisitor {
-public:
-    virtual void visitHeader(const WebString& name, const WebString& value) = 0;
-
-protected:
-    ~WebHTTPHeaderVisitor() { }
+enum SelectionStrategy {
+    // Always using CharacterGranularity
+    StrategyCharacter,
+    // Switches between WordGranularity and CharacterGranularity
+    // Depending on whether the selection or growing or shrinking
+    StrategyDirection,
 };
 
-} // namespace blink
+}
 
 #endif