cc: Partial draw without partial swap support.

content/browser/renderer_host/compositor_impl_android.cc

 // Copyright (c) 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 "content/browser/renderer_host/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 #include <stdint.h>
 #include <unordered_set>
@@ skipping 268 matching lines @@
   bool SurfaceIsSuspendForRecycle() const override { return false; }
   bool HasExternalStencilTest() const override { return false; }
   void ApplyExternalStencil() override {}
 
   uint32_t GetFramebufferCopyTextureFormat() override {
     auto* gl =
         static_cast<ui::ContextProviderCommandBuffer*>(context_provider());
     return gl->GetCopyTextureInternalFormat();
   }
 
+  bool CanPartialDraw(const gfx::Rect& damage) override { return false; }
+
  private:
   gpu::CommandBufferProxyImpl* GetCommandBufferProxy() {
     ui::ContextProviderCommandBuffer* provider_command_buffer =
         static_cast<ui::ContextProviderCommandBuffer*>(context_provider_.get());
     gpu::CommandBufferProxyImpl* command_buffer_proxy =
         provider_command_buffer->GetCommandBufferProxy();
     DCHECK(command_buffer_proxy);
     return command_buffer_proxy;
   }
 
@@ skipping 570 matching lines @@
   }
   GetSurfaceManager()->UnregisterFrameSinkHierarchy(frame_sink_id_,
                                                     frame_sink_id);
 }
 
 bool CompositorImpl::HavePendingReadbacks() {
   return !readback_layer_tree_->children().empty();
 }
 
 }  // namespace content