Refactor Samsung SmartClip implementation.

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index e904d8fe4bc609dd2664c1a1d572e1cd9f439a23..11b11d978302c94cded6096cebe5f6eceafd45de 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -119,6 +119,8 @@ class CONTENT_EXPORT RenderFrameHostImpl
   using AXTreeSnapshotCallback =
       base::Callback<void(
           const ui::AXTreeUpdate&)>;
+  using SmartClipCallback = base::Callback<void(const base::string16& text,
+                                                const base::string16& html)>;
 
   // An accessibility reset is only allowed to prevent very rare corner cases
   // or race conditions where the browser and renderer get out of sync. If
@@ -474,6 +476,9 @@ class CONTENT_EXPORT RenderFrameHostImpl
   // renderer process to change the accessibility mode.
   void UpdateAccessibilityMode();
 
+  // Samsung Galaxy Note-specific "smart clip" stylus text getter.
+  void RequestSmartClipExtract(SmartClipCallback callback, gfx::Rect rect);
+
   // Request a one-time snapshot of the accessibility tree without changing
   // the accessibility mode.
   void RequestAXTreeSnapshot(AXTreeSnapshotCallback callback);
@@ -734,6 +739,9 @@ class CONTENT_EXPORT RenderFrameHostImpl
   void OnAccessibilitySnapshotResponse(
       int callback_id,
       const AXContentTreeUpdate& snapshot);
+  void OnSmartClipDataExtracted(uint32_t id,
+                                base::string16 text,
+                                base::string16 html);
   void OnToggleFullscreen(bool enter_fullscreen);
   void OnDidStartLoading(bool to_different_document);
   void OnDidStopLoading();
@@ -1058,6 +1066,9 @@ class CONTENT_EXPORT RenderFrameHostImpl
   // accessibility tree snapshot calls created by RequestAXTreeSnapshot.
   std::map<int, AXTreeSnapshotCallback> ax_tree_snapshot_callbacks_;
 
+  // Samsung Galaxy Note-specific "smart clip" stylus text getter.
+  std::map<uint32_t, SmartClipCallback> smart_clip_callbacks_;
+
   // Callback when an event is received, for testing.
   base::Callback<void(RenderFrameHostImpl*, ui::AXEvent, int)>
       accessibility_testing_callback_;