cc: Make OutputSurface::Reshape abstract

cc/test/pixel_test_output_surface.cc

 // Copyright 2013 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.
 
 #include "cc/test/pixel_test_output_surface.h"
 
 #include <utility>
 
 #include "cc/output/output_surface_client.h"
 #include "cc/output/output_surface_frame.h"
@@ skipping 20 matching lines @@
 
 void PixelTestOutputSurface::EnsureBackbuffer() {}
 
 void PixelTestOutputSurface::DiscardBackbuffer() {}
 
 void PixelTestOutputSurface::BindFramebuffer() {
   context_provider()->ContextGL()->BindFramebuffer(GL_FRAMEBUFFER, 0);
 }
 
 void PixelTestOutputSurface::Reshape(const gfx::Size& size,
-                                     float scale_factor,
+                                     float device_scale_factor,
                                      const gfx::ColorSpace& color_space,
                                      bool has_alpha) {
-  gfx::Size expanded_size(size.width() + surface_expansion_size_.width(),
-                          size.height() + surface_expansion_size_.height());
-  OutputSurface::Reshape(expanded_size, scale_factor, color_space, has_alpha);
+  if (context_provider()) {
+    context_provider()->ContextGL()->ResizeCHROMIUM(
+        size.width(), size.height(), device_scale_factor, has_alpha);
+  } else {
+    software_device()->Resize(size, device_scale_factor);
+  }
 }
 
 bool PixelTestOutputSurface::HasExternalStencilTest() const {
   return external_stencil_test_;
 }
 
 void PixelTestOutputSurface::ApplyExternalStencil() {}
 
 void PixelTestOutputSurface::SwapBuffers(OutputSurfaceFrame frame) {
   PostSwapBuffersComplete();
@@ skipping 17 matching lines @@
 }
 
 uint32_t PixelTestOutputSurface::GetFramebufferCopyTextureFormat() {
   // This format will work if the |context_provider| has an RGB or RGBA
   // framebuffer. For now assume tests do not want/care about alpha in
   // the root render pass.
   return GL_RGB;
 }
 
 }  // namespace cc