Uber Comp: never change mailbox name associated with a texture object.

cc/resource_provider_unittest.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 "config.h"
 
 #include "cc/resource_provider.h"
 
 #include "base/logging.h"
 #include "cc/graphics_context.h"
@@ skipping 435 matching lines @@
         TransferableResourceList list;
         childResourceProvider->prepareSendToParent(resourceIdsToTransfer, &list);
         EXPECT_NE(0u, list.sync_point);
         EXPECT_EQ(2u, list.resources.size());
         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id1));
         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id2));
         m_resourceProvider->receiveFromChild(childId, list);
     }
 
     EXPECT_EQ(2u, m_resourceProvider->numResources());
-    EXPECT_EQ(2u, m_resourceProvider->mailboxCount());
     ResourceProvider::ResourceIdMap resourceMap = m_resourceProvider->getChildToParentMap(childId);
     ResourceProvider::ResourceId mappedId1 = resourceMap[id1];
     ResourceProvider::ResourceId mappedId2 = resourceMap[id2];
     EXPECT_NE(0u, mappedId1);
     EXPECT_NE(0u, mappedId2);
     EXPECT_FALSE(m_resourceProvider->inUseByConsumer(id1));
     EXPECT_FALSE(m_resourceProvider->inUseByConsumer(id2));
 
     uint8_t result[4] = {0};
     getResourcePixels(mappedId1, size, format, result);
@@ skipping 17 matching lines @@
         // Transfer resources back from the parent to the child.
         ResourceProvider::ResourceIdArray resourceIdsToTransfer;
         resourceIdsToTransfer.push_back(mappedId1);
         resourceIdsToTransfer.push_back(mappedId2);
         TransferableResourceList list;
         m_resourceProvider->prepareSendToChild(childId, resourceIdsToTransfer, &list);
         EXPECT_NE(0u, list.sync_point);
         EXPECT_EQ(2u, list.resources.size());
         childResourceProvider->receiveFromParent(list);
     }
-    EXPECT_EQ(0u, m_resourceProvider->mailboxCount());
-    EXPECT_EQ(2u, childResourceProvider->mailboxCount());
     EXPECT_FALSE(childResourceProvider->inUseByConsumer(id1));
     EXPECT_FALSE(childResourceProvider->inUseByConsumer(id2));
 
     ResourceProviderContext* childContext3D = static_cast<ResourceProviderContext*>(childContext->context3D());
     {
         ResourceProvider::ScopedReadLockGL lock(childResourceProvider.get(), id1);
         ASSERT_NE(0U, lock.textureId());
         childContext3D->bindTexture(GL_TEXTURE_2D, lock.textureId());
         childContext3D->getPixels(size, format, result);
         EXPECT_EQ(0, memcmp(data1, result, pixelSize));
@@ skipping 16 matching lines @@
         EXPECT_NE(0u, list.sync_point);
         EXPECT_EQ(2u, list.resources.size());
         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id1));
         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id2));
         m_resourceProvider->receiveFromChild(childId, list);
     }
 
     EXPECT_EQ(2u, m_resourceProvider->numResources());
     m_resourceProvider->destroyChild(childId);
     EXPECT_EQ(0u, m_resourceProvider->numResources());
-    EXPECT_EQ(0u, m_resourceProvider->mailboxCount());
 }
 
 TEST_P(ResourceProviderTest, DeleteTransferredResources)
 {
     // Resource transfer is only supported with GL textures for now.
     if (GetParam() != ResourceProvider::GLTexture)
         return;
 
     scoped_ptr<GraphicsContext> childContext(FakeWebCompositorOutputSurface::create(ResourceProviderContext::create(m_sharedData.get()).PassAs<WebKit::WebGraphicsContext3D>()));
     scoped_ptr<ResourceProvider> childResourceProvider(ResourceProvider::create(childContext.get()));
@@ skipping 43 matching lines @@
     }
     EXPECT_EQ(0u, childResourceProvider->numResources());
 }
 
 INSTANTIATE_TEST_CASE_P(ResourceProviderTests,
                         ResourceProviderTest,
                         ::testing::Values(ResourceProvider::GLTexture,
                                           ResourceProvider::Bitmap));
 
 }  // anonymous namespace