Add command buffer support for GL_RGB CHROMIUM image emulation.

third_party/WebKit/Source/platform/graphics/gpu/DrawingBufferTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/graphics/gpu/DrawingBuffer.h"
 
 #include "gpu/command_buffer/client/gles2_interface_stub.h"
+#include "gpu/command_buffer/common/capabilities.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/UnacceleratedImageBufferSurface.h"
 #include "platform/graphics/gpu/Extensions3DUtil.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebExternalTextureMailbox.h"
 #include "public/platform/WebGraphicsContext3D.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
 #include "public/platform/functional/WebFunction.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 193 matching lines @@
 public:
     WebGraphicsContext3DProviderForTests(PassOwnPtr<gpu::gles2::GLES2Interface> gl)
         : m_gl(std::move(gl))
     {
     }
 
     WebGraphicsContext3D* context3d() override { return nullptr; }
     gpu::gles2::GLES2Interface* contextGL() override { return m_gl.get(); }
     // Not used by WebGL code.
     GrContext* grContext() override { return nullptr; }
+    gpu::Capabilities getCapabilities()
+    {
+        return gpu::Capabilities();
+    }
     void setLostContextCallback(WebClosure) {}
     void setErrorMessageCallback(WebFunction<void(const char*, int32_t id)>) {}
 
 private:
     OwnPtr<gpu::gles2::GLES2Interface> m_gl;
 };
 
 class DrawingBufferTest : public Test {
 protected:
     void SetUp() override
@@ skipping 500 matching lines @@
     m_drawingBuffer->markContentsChanged();
     EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0));
     EXPECT_EQ(initialSize, m_gl->mostRecentlyProducedSize());
     EXPECT_FALSE(mailbox.allowOverlay);
 
     m_drawingBuffer->mailboxReleased(mailbox, false);
     m_drawingBuffer->beginDestruction();
 }
 
 } // namespace blink