[WIP] Add SharedMemoryTracker to dump base::SharedMemory usage

cc/resources/resource_provider.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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
 #include <unordered_map>
 
 #include "base/atomic_sequence_num.h"
 #include "base/macros.h"
+#include "base/memory/shared_memory_tracker.h"
 #include "base/metrics/histogram.h"
 #include "base/numerics/safe_math.h"
 #include "base/stl_util.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/resources/platform_color.h"
 #include "cc/resources/resource_util.h"
 #include "cc/resources/returned_resource.h"
 #include "cc/resources/shared_bitmap_manager.h"
 #include "cc/resources/transferable_resource.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
 #include "skia/ext/texture_handle.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkSurface.h"
 #include "third_party/skia/include/gpu/GrContext.h"
 #include "third_party/skia/include/gpu/gl/GrGLTypes.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/vector2d.h"
-#include "ui/gfx/gpu_memory_buffer_tracing.h"
 #include "ui/gfx/icc_profile.h"
 #include "ui/gl/trace_util.h"
 
 using gpu::gles2::GLES2Interface;
 
 namespace cc {
 
 class TextureIdAllocator {
  public:
   TextureIdAllocator(GLES2Interface* gl,
@@ skipping 2108 matching lines @@
                            tracing_id_, resource_entry.first);
     base::trace_event::MemoryAllocatorDump* dump =
         pmd->CreateAllocatorDump(dump_name);
 
     uint64_t total_bytes = ResourceUtil::UncheckedSizeInBytesAligned<size_t>(
         resource.size, resource.format);
     dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
                     base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                     static_cast<uint64_t>(total_bytes));
 
-    // Resources may be shared across processes and require a shared GUID to
-    // prevent double counting the memory.
-    base::trace_event::MemoryAllocatorDumpGuid guid;
-    switch (resource.type) {
-      case RESOURCE_TYPE_GPU_MEMORY_BUFFER:
-        guid =
-            resource.gpu_memory_buffer->GetGUIDForTracing(tracing_process_id);
-        break;
-      case RESOURCE_TYPE_GL_TEXTURE:
-        DCHECK(resource.gl_id);
-        guid = gl::GetGLTextureClientGUIDForTracing(
-            compositor_context_provider_->ContextSupport()
-                ->ShareGroupTracingGUID(),
-            resource.gl_id);
-        break;
-      case RESOURCE_TYPE_BITMAP:
-        DCHECK(resource.has_shared_bitmap_id);
-        guid = GetSharedBitmapGUIDForTracing(resource.shared_bitmap_id);
-        break;
+    if (resource.type == RESOURCE_TYPE_GL_TEXTURE ||
+        (resource.type == RESOURCE_TYPE_GPU_MEMORY_BUFFER &&
+         !resource.gpu_memory_buffer->GetSharedMemory())) {
+      // Resources may be shared across processes and require a shared GUID to
+      // prevent double counting the memory.
+      base::trace_event::MemoryAllocatorDumpGuid guid;
+      switch (resource.type) {
+        case RESOURCE_TYPE_GPU_MEMORY_BUFFER:
+          guid =
+              resource.gpu_memory_buffer->GetGUIDForTracing(tracing_process_id);
+          break;
+        case RESOURCE_TYPE_GL_TEXTURE:
+          DCHECK(resource.gl_id);
+          guid = gl::GetGLTextureClientGUIDForTracing(
+              compositor_context_provider_->ContextSupport()
+                  ->ShareGroupTracingGUID(),
+              resource.gl_id);
+          break;
+        case RESOURCE_TYPE_BITMAP:
+          NOTREACHED();
+          break;
+      }
+      DCHECK(!guid.empty());
+
+      const int kImportance = 2;
+      pmd->CreateSharedGlobalAllocatorDump(guid);
+      pmd->AddOwnershipEdge(dump->guid(), guid, kImportance);
+    } else {
+      base::SharedMemory* shared_memory = nullptr;
+      switch (resource.type) {
+        case RESOURCE_TYPE_GPU_MEMORY_BUFFER:
+          shared_memory = resource.gpu_memory_buffer->GetSharedMemory();
+          DCHECK(shared_memory);
+          break;
+        case RESOURCE_TYPE_GL_TEXTURE:
+          NOTREACHED();
+          break;
+        case RESOURCE_TYPE_BITMAP:
+          if (!resource.shared_bitmap)
+            break;
+          shared_memory = resource.shared_bitmap->GetSharedMemory();
+          break;
+      }
+      if (shared_memory) {
+        base::SharedMemoryTracker::AddOwnershipEdges(pmd, dump->guid(),
+                                                     *shared_memory);
+      }
     }
-
-    DCHECK(!guid.empty());
-
-    const int kImportance = 2;
-    pmd->CreateSharedGlobalAllocatorDump(guid);
-    pmd->AddOwnershipEdge(dump->guid(), guid, kImportance);
   }
 
   return true;
 }
 
 }  // namespace cc