Merge 121076 - [chromium] LayerRendererChromium is not getting visibility messages in single thread…

Source/WebCore/platform/graphics/chromium/TrackingTextureAllocator.cpp

 /*
  * Copyright (C) 2011, 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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 71 matching lines @@
     GLC(m_context.get(), m_context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_WRAP_T, GraphicsContext3D::CLAMP_TO_EDGE));
 
     if (m_textureUsageHint == FramebufferAttachment)
         GLC(m_context.get(), m_context->texParameteri(GraphicsContext3D::TEXTURE_2D, Extensions3DChromium::GL_TEXTURE_USAGE_ANGLE, Extensions3DChromium::GL_FRAMEBUFFER_ATTACHMENT_ANGLE));
     if (m_useTextureStorageExt && isTextureFormatSupportedForStorage(format)) {
         Extensions3DChromium* extensions = static_cast<Extensions3DChromium*>(m_context->getExtensions());
         GC3Denum storageFormat = textureToStorageFormat(format);
         extensions->texStorage2DEXT(GraphicsContext3D::TEXTURE_2D, 1, storageFormat, size.width(), size.height());
     } else
         GLC(m_context.get(), m_context->texImage2DResourceSafe(GraphicsContext3D::TEXTURE_2D, 0, format, size.width(), size.height(), 0, format, GraphicsContext3D::UNSIGNED_BYTE));
+    m_allocatedTextureIds.add(textureId);
     return textureId;
 }
 
 void TrackingTextureAllocator::deleteTexture(unsigned textureId, const IntSize& size, GC3Denum format)
 {
     m_currentMemoryUseBytes -= TextureManager::memoryUseBytes(size, format);
     GLC(m_context.get(), m_context->deleteTexture(textureId));
+    ASSERT(m_allocatedTextureIds.contains(textureId));
+    m_allocatedTextureIds.remove(textureId);
+}
+
+void TrackingTextureAllocator::deleteAllTextures()
+{
+    for (HashSet<unsigned>::const_iterator it = m_allocatedTextureIds.begin(); it != m_allocatedTextureIds.end(); ++it)
+        GLC(m_context.get(), m_context->deleteTexture(*it));
+    m_currentMemoryUseBytes = 0;
+    m_allocatedTextureIds.clear();
 }
 
 }