Refactoring: Move some classes from content/child to platform

third_party/WebKit/Source/platform/exported/Platform.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "base/thread_task_runner_handle.h"
+#include "base/trace_event/memory_dump_manager.h"
 #include "platform/PartitionAllocMemoryDumpProvider.h"
 #include "platform/graphics/CompositorFactory.h"
+#include "platform/web_memory_dump_provider_adapter.h"
 #include "public/platform/Platform.h"
+#include "wtf/HashMap.h"
+#include "wtf/OwnPtr.h"
 
 namespace blink {
 
 static Platform* s_platform = 0;
+using ProviderToAdapterMap = HashMap<WebMemoryDumpProvider*, OwnPtr<WebMemoryDumpProviderAdapter>>;
+
+namespace {
+
+ProviderToAdapterMap& memoryDumpProviders()
+{
+    DEFINE_STATIC_LOCAL(ProviderToAdapterMap, providerToAdapterMap, ());
+    return providerToAdapterMap;
+}
+
+} // namespace
 
 Platform::Platform()
     : m_mainThread(0)
 {
 }
 
 void Platform::initialize(Platform* platform)
 {
     s_platform = platform;
     if (s_platform)
@@ skipping 21 matching lines @@
 Platform* Platform::current()
 {
     return s_platform;
 }
 
 WebThread* Platform::mainThread() const
 {
     return m_mainThread;
 }
 
+void Platform::registerMemoryDumpProvider(WebMemoryDumpProvider* provider, const char* name)
+{
+    WebMemoryDumpProviderAdapter* adapter = new WebMemoryDumpProviderAdapter(provider);
+    ProviderToAdapterMap::AddResult result = memoryDumpProviders().add(provider, adoptPtr(adapter));
+    if (!result.isNewEntry)
+        return;
+    adapter->set_is_registered(true);
+    base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(adapter, name, base::ThreadTaskRunnerHandle::Get());
+}
+
+void Platform::unregisterMemoryDumpProvider(WebMemoryDumpProvider* provider)
+{
+    ProviderToAdapterMap::iterator it = memoryDumpProviders().find(provider);
+    if (it == memoryDumpProviders().end())
+        return;
+    WebMemoryDumpProviderAdapter* adapter = it->value.get();
+    base::trace_event::MemoryDumpManager::GetInstance()->UnregisterDumpProvider(adapter);
+    adapter->set_is_registered(false);
+    memoryDumpProviders().remove(it);
+}
+
 } // namespace blink