Update from https://crrev.com/308331

cc/resources/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 "cc/resources/resource_provider.h"
 
 #include <algorithm>
 #include <map>
 #include <set>
 
@@ skipping 41 matching lines @@
     bool* release_lost_resource,
     BlockingTaskRunner** release_main_thread_task_runner,
     uint32 sync_point,
     bool lost_resource,
     BlockingTaskRunner* main_thread_task_runner) {
   *release_sync_point = sync_point;
   *release_lost_resource = lost_resource;
   *release_main_thread_task_runner = main_thread_task_runner;
 }
 
-static void SharedMemoryReleaseCallback(
-    scoped_ptr<base::SharedMemory> memory,
+static void SharedBitmapReleaseCallback(
+    scoped_ptr<SharedBitmap> bitmap,
     uint32 sync_point,
     bool lost_resource,
     BlockingTaskRunner* main_thread_task_runner) {
 }
 
-static void ReleaseSharedMemoryCallback(
-    scoped_ptr<base::SharedMemory> shared_memory,
+static void ReleaseSharedBitmapCallback(
+    scoped_ptr<SharedBitmap> shared_bitmap,
     bool* release_called,
     uint32* release_sync_point,
     bool* lost_resource_result,
     uint32 sync_point,
     bool lost_resource,
     BlockingTaskRunner* main_thread_task_runner) {
   *release_called = true;
   *release_sync_point = sync_point;
   *lost_resource_result = lost_resource;
 }
 
-static scoped_ptr<base::SharedMemory> CreateAndFillSharedMemory(
+static scoped_ptr<SharedBitmap> CreateAndFillSharedBitmap(
+    SharedBitmapManager* manager,
     const gfx::Size& size,
     uint32_t value) {
-  scoped_ptr<base::SharedMemory> shared_memory(new base::SharedMemory);
-  CHECK(shared_memory->CreateAndMapAnonymous(4 * size.GetArea()));
-  uint32_t* pixels = reinterpret_cast<uint32_t*>(shared_memory->memory());
+  scoped_ptr<SharedBitmap> shared_bitmap = manager->AllocateSharedBitmap(size);
+  CHECK(shared_bitmap);
+  uint32_t* pixels = reinterpret_cast<uint32_t*>(shared_bitmap->pixels());
   CHECK(pixels);
   std::fill_n(pixels, size.GetArea(), value);
-  return shared_memory.Pass();
+  return shared_bitmap.Pass();
 }
 
 class TextureStateTrackingContext : public TestWebGraphicsContext3D {
  public:
   MOCK_METHOD2(bindTexture, void(GLenum target, GLuint texture));
   MOCK_METHOD3(texParameteri, void(GLenum target, GLenum pname, GLint param));
   MOCK_METHOD1(waitSyncPoint, void(GLuint sync_point));
   MOCK_METHOD0(insertSyncPoint, GLuint(void));
   MOCK_METHOD2(produceTextureCHROMIUM,
                void(GLenum target, const GLbyte* mailbox));
@@ skipping 358 matching lines @@
                                                   uint32* sync_point) {
     if (GetParam() == ResourceProvider::GLTexture) {
       unsigned texture = child_context_->createTexture();
       gpu::Mailbox gpu_mailbox;
       child_context_->bindTexture(GL_TEXTURE_2D, texture);
       child_context_->genMailboxCHROMIUM(gpu_mailbox.name);
       child_context_->produceTextureCHROMIUM(GL_TEXTURE_2D, gpu_mailbox.name);
       *sync_point = child_context_->insertSyncPoint();
       EXPECT_LT(0u, *sync_point);
 
-      scoped_ptr<base::SharedMemory> shared_memory;
+      scoped_ptr<SharedBitmap> shared_bitmap;
       scoped_ptr<SingleReleaseCallbackImpl> callback =
-          SingleReleaseCallbackImpl::Create(
-              base::Bind(ReleaseSharedMemoryCallback,
-                         base::Passed(&shared_memory),
-                         release_called,
-                         release_sync_point,
-                         lost_resource));
+          SingleReleaseCallbackImpl::Create(base::Bind(
+              ReleaseSharedBitmapCallback, base::Passed(&shared_bitmap),
+              release_called, release_sync_point, lost_resource));
       return child_resource_provider_->CreateResourceFromTextureMailbox(
           TextureMailbox(gpu_mailbox, GL_TEXTURE_2D, *sync_point),
           callback.Pass());
     } else {
       gfx::Size size(64, 64);
-      scoped_ptr<base::SharedMemory> shared_memory(
-          CreateAndFillSharedMemory(size, 0));
+      scoped_ptr<SharedBitmap> shared_bitmap(
+          CreateAndFillSharedBitmap(shared_bitmap_manager_.get(), size, 0));
 
-      base::SharedMemory* shared_memory_ptr = shared_memory.get();
+      SharedBitmap* shared_bitmap_ptr = shared_bitmap.get();
       scoped_ptr<SingleReleaseCallbackImpl> callback =
-          SingleReleaseCallbackImpl::Create(
-              base::Bind(ReleaseSharedMemoryCallback,
-                         base::Passed(&shared_memory),
-                         release_called,
-                         release_sync_point,
-                         lost_resource));
+          SingleReleaseCallbackImpl::Create(base::Bind(
+              ReleaseSharedBitmapCallback, base::Passed(&shared_bitmap),
+              release_called, release_sync_point, lost_resource));
       return child_resource_provider_->CreateResourceFromTextureMailbox(
-          TextureMailbox(shared_memory_ptr, size), callback.Pass());
+          TextureMailbox(shared_bitmap_ptr, size), callback.Pass());
     }
   }
 
  protected:
   scoped_ptr<ContextSharedData> shared_data_;
   ResourceProviderContext* context3d_;
   ResourceProviderContext* child_context_;
   FakeOutputSurfaceClient output_surface_client_;
   FakeOutputSurfaceClient child_output_surface_client_;
   scoped_ptr<OutputSurface> output_surface_;
@@ skipping 470 matching lines @@
       size, GL_CLAMP_TO_EDGE, ResourceProvider::TextureHintImmutable, format);
   uint8_t data1[4] = { 1, 2, 3, 4 };
   gfx::Rect rect(size);
   child_resource_provider_->SetPixels(id1, data1, rect, rect, gfx::Vector2d());
 
   ResourceProvider::ResourceId id2 = child_resource_provider_->CreateResource(
       size, GL_CLAMP_TO_EDGE, ResourceProvider::TextureHintImmutable, format);
   uint8_t data2[4] = { 5, 5, 5, 5 };
   child_resource_provider_->SetPixels(id2, data2, rect, rect, gfx::Vector2d());
 
-  scoped_ptr<base::SharedMemory> shared_memory(new base::SharedMemory());
-  shared_memory->CreateAndMapAnonymous(1);
-  base::SharedMemory* shared_memory_ptr = shared_memory.get();
+  scoped_ptr<SharedBitmap> shared_bitmap(CreateAndFillSharedBitmap(
+      shared_bitmap_manager_.get(), gfx::Size(1, 1), 0));
+  SharedBitmap* shared_bitmap_ptr = shared_bitmap.get();
   ResourceProvider::ResourceId id3 =
       child_resource_provider_->CreateResourceFromTextureMailbox(
-          TextureMailbox(shared_memory_ptr, gfx::Size(1, 1)),
+          TextureMailbox(shared_bitmap_ptr, gfx::Size(1, 1)),
           SingleReleaseCallbackImpl::Create(base::Bind(
-              &SharedMemoryReleaseCallback, base::Passed(&shared_memory))));
+              &SharedBitmapReleaseCallback, base::Passed(&shared_bitmap))));
 
   ReturnedResourceArray returned_to_child;
   int child_id =
       resource_provider_->CreateChild(GetReturnCallback(&returned_to_child));
   {
     // Transfer some resources to the parent.
     ResourceProvider::ResourceIdArray resource_ids_to_transfer;
     resource_ids_to_transfer.push_back(id1);
     resource_ids_to_transfer.push_back(id2);
     resource_ids_to_transfer.push_back(id3);
@@ skipping 1546 matching lines @@
     Mock::VerifyAndClearExpectations(context);
   }
 }
 
 TEST_P(ResourceProviderTest, TextureMailbox_SharedMemory) {
   if (GetParam() != ResourceProvider::Bitmap)
     return;
 
   gfx::Size size(64, 64);
   const uint32_t kBadBeef = 0xbadbeef;
-  scoped_ptr<base::SharedMemory> shared_memory(
-      CreateAndFillSharedMemory(size, kBadBeef));
+  scoped_ptr<SharedBitmap> shared_bitmap(
+      CreateAndFillSharedBitmap(shared_bitmap_manager_.get(), size, kBadBeef));
 
   FakeOutputSurfaceClient output_surface_client;
   scoped_ptr<OutputSurface> output_surface(
       FakeOutputSurface::CreateSoftware(make_scoped_ptr(
           new SoftwareOutputDevice)));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                gpu_memory_buffer_manager_.get(),
                                main_thread_task_runner_.get(),
                                0,
                                false,
                                1));
 
   uint32 release_sync_point = 0;
   bool lost_resource = false;
   BlockingTaskRunner* main_thread_task_runner = NULL;
   scoped_ptr<SingleReleaseCallbackImpl> callback =
       SingleReleaseCallbackImpl::Create(base::Bind(&ReleaseCallback,
                                                    &release_sync_point,
                                                    &lost_resource,
                                                    &main_thread_task_runner));
-  TextureMailbox mailbox(shared_memory.get(), size);
+  TextureMailbox mailbox(shared_bitmap.get(), size);
 
   ResourceProvider::ResourceId id =
       resource_provider->CreateResourceFromTextureMailbox(
           mailbox, callback.Pass());
   EXPECT_NE(0u, id);
 
   {
     ResourceProvider::ScopedReadLockSoftware lock(resource_provider.get(), id);
     const SkBitmap* sk_bitmap = lock.sk_bitmap();
     EXPECT_EQ(sk_bitmap->width(), size.width());
@@ skipping 1114 matching lines @@
     resource_provider->AllocateForTesting(id);
     Mock::VerifyAndClearExpectations(context);
 
     DCHECK_EQ(10u, context->PeekTextureId());
     resource_provider->DeleteResource(id);
   }
 }
 
 }  // namespace
 }  // namespace cc