cc: Make OutputSurface::Reshape abstract

cc/test/fake_output_surface.cc

 // Copyright 2012 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/fake_output_surface.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/resources/returned_resource.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 
 FakeOutputSurface::FakeOutputSurface(
     scoped_refptr<ContextProvider> context_provider)
-    : OutputSurface(std::move(context_provider)) {}
+    : OutputSurface(std::move(context_provider)) {
+  DCHECK(OutputSurface::context_provider());
+}
 
 FakeOutputSurface::FakeOutputSurface(
     std::unique_ptr<SoftwareOutputDevice> software_device)
-    : OutputSurface(std::move(software_device)) {}
+    : OutputSurface(std::move(software_device)) {
+  DCHECK(OutputSurface::software_device());
+}
 
 FakeOutputSurface::~FakeOutputSurface() = default;
 
+void FakeOutputSurface::Reshape(const gfx::Size& size,
+                                float device_scale_factor,
+                                const gfx::ColorSpace& color_space,
+                                bool 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);
+  }
+}
+
 void FakeOutputSurface::SwapBuffers(OutputSurfaceFrame frame) {
   last_sent_frame_.reset(new OutputSurfaceFrame(std::move(frame)));
   ++num_sent_frames_;
 
   if (context_provider()) {
     last_swap_rect_ = last_sent_frame_->sub_buffer_rect;
     last_swap_rect_valid_ = true;
   } else {
     // Unknown for direct software frames.
     last_swap_rect_ = gfx::Rect();
@@ skipping 38 matching lines @@
 
 bool FakeOutputSurface::IsDisplayedAsOverlayPlane() const {
   return false;
 }
 
 unsigned FakeOutputSurface::GetOverlayTextureId() const {
   return 0;
 }
 
 }  // namespace cc