Use mailboxes for Canvas and WebGL

Source/core/platform/graphics/chromium/Canvas2DLayerBridge.cpp

 /*
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 195 matching lines @@
     ASSERT(mailboxInfo->m_mailbox.syncPoint == 0);
     ASSERT(mailboxInfo->m_image.get());
     ASSERT(mailboxInfo->m_image->getTexture());
 
     // Because we are changing the texture binding without going through skia,
     // we must restore it to its previous value to keep skia's state cache in
     // sync.
     GC3Dint savedTexBinding = 0;
     m_context->getIntegerv(GraphicsContext3D::TEXTURE_BINDING_2D, &savedTexBinding);
     m_context->bindTexture(GraphicsContext3D::TEXTURE_2D, mailboxInfo->m_image->getTexture()->getTextureHandle());
+    m_context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MAG_FILTER, GraphicsContext3D::LINEAR);
+    m_context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MIN_FILTER, GraphicsContext3D::LINEAR);
+    m_context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_WRAP_S, GraphicsContext3D::CLAMP_TO_EDGE);
+    m_context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_WRAP_T, GraphicsContext3D::CLAMP_TO_EDGE);
     context()->produceTextureCHROMIUM(GraphicsContext3D::TEXTURE_2D, mailboxInfo->m_mailbox.name);
+    context()->flush();
     mailboxInfo->m_mailbox.syncPoint = context()->insertSyncPoint();
     m_context->bindTexture(GraphicsContext3D::TEXTURE_2D, savedTexBinding);
 
     *outMailbox = mailboxInfo->m_mailbox;
     return true;
 #else
     ASSERT_NOT_REACHED();
     return false;
 #endif
 }
@@ skipping 63 matching lines @@
     // This copy constructor should only be used for Vector reallocation
     // Assuming 'other' is to be destroyed, we swap m_image ownership
     // rather than do a refcount dance.
     memcpy(&m_mailbox, &other.m_mailbox, sizeof(m_mailbox));
     m_image.swap(const_cast<SkAutoTUnref<SkImage>*>(&other.m_image));
     m_status = other.m_status;
 }
 #endif
 
 }