[Remoting Client] Always ResizeToFit when desktop/surface size is changed

remoting/client/view_matrix.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_CLIENT_VIEW_MATRIX_H_
 #define REMOTING_CLIENT_VIEW_MATRIX_H_
 
 #include <array>
 
 namespace remoting {
@@ skipping 26 matching lines @@
   // the vector and does not apply offset.
   Vector2D MapVector(const Vector2D& vector) const;
 
   // Sets the scale factor, with the pivot point at (0, 0). This WON'T affect
   // the offset.
   void SetScale(float scale);
 
   // Returns the scale of this matrix.
   float GetScale() const;
 
+  // Sets the offset.
+  void SetOffset(const Point& offset);
+
   // Adjust the matrix M to M' such that:
   // M * p_a = p_b => M' * p_a = scale * (p_b - pivot) + pivot
   void PostScale(const Point& pivot, float scale);
 
   // Applies translation to the matrix.
   // M * p_a = p_b => M' * p_a = p_b + delta
   void PostTranslate(const Vector2D& delta);
 
   // Returns the inverse of this matrix.
   ViewMatrix Invert() const;
 
   // Returns true if the scale and offsets are both 0.
   bool IsEmpty() const;
 
   // Converts to the 3x3 matrix array.
   std::array<float, 9> ToMatrixArray() const;
 
  private:
   float scale_;
   Vector2D offset_;
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_VIEW_MATRIX_H_