Extracting placeholder information from Webkit to Blimp

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 8e2effb582110e5ee47cad75538eb5871782311e..0d02824bfcc38860bb6082b52406c999d8f96884 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -168,6 +168,7 @@ class CONTENT_EXPORT RenderFrameHostImpl
   void RequestTextSurroundingSelection(
       const TextSurroundingSelectionCallback& callback,
       int max_length) override;
+  void RequestFocusedFormFieldData(FormFieldDataCallback& callback) override;
 
   // mojom::FrameHost
   void GetInterfaceProvider(
@@ -517,6 +518,10 @@ class CONTENT_EXPORT RenderFrameHostImpl
 #endif
 #endif
 
+  // This method contains response for the focused field info request.
+  void OnFocusedFormFieldDataResponse(int request_id,
+                                      const FormFieldData& field_data);
+
   // PlzNavigate: Indicates that a navigation is ready to commit and can be
   // handled by this RenderFrame.
   void CommitNavigation(ResourceResponse* response,
@@ -881,6 +886,9 @@ class CONTENT_EXPORT RenderFrameHostImpl
   std::map<int, JavaScriptResultCallback> javascript_callbacks_;
   std::map<uint64_t, VisualStateCallback> visual_state_callbacks_;
 
+  // Callbacks for getting text input info.
+  std::map<int, FormFieldDataCallback> form_field_data_callbacks_;
+
   // RenderFrameHosts that need management of the rendering and input events
   // for their frame subtrees require RenderWidgetHosts. This typically
   // means frames that are rendered in different processes from their parent