Add DPI information to video packets.

remoting/base/capture_data.h

Index: remoting/base/capture_data.h
diff --git a/remoting/base/capture_data.h b/remoting/base/capture_data.h
index cea18ac4c2ca52c3f498efea1ff25fc384b71d58..205d3f3307d92eec54e1dd8865cae5b96e66e002 100644
--- a/remoting/base/capture_data.h
+++ b/remoting/base/capture_data.h
@@ -59,6 +59,10 @@ class CaptureData : public base::RefCountedThreadSafe<CaptureData> {
     client_sequence_number_ = client_sequence_number;
   }
 
+  int32 dpi() const { return dpi_; }
+
+  void set_dpi(int32 dpi) { dpi_ = dpi; }
+
  private:
   friend class base::RefCountedThreadSafe<CaptureData>;
   virtual ~CaptureData();
@@ -73,6 +77,9 @@ class CaptureData : public base::RefCountedThreadSafe<CaptureData> {
 
   // Sequence number supplied by client for performance tracking.
   int64 client_sequence_number_;
+
+  // DPI for this frame.
+  int32 dpi_;
 };
 
 }  // namespace remoting