Implement Platform::getUniqueIdForProcess.

content/child/blink_platform_impl.cc

 // Copyright 2014 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 "content/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <vector>
 
@@ skipping 12 matching lines @@
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/sys_info.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
 #include "base/trace_event/memory_allocator_dump_guid.h"
 #include "base/trace_event/memory_dump_manager.h"
+#include "base/trace_event/trace_event.h"
 #include "blink/public/resources/grit/blink_image_resources.h"
 #include "blink/public/resources/grit/blink_resources.h"
 #include "components/mime_util/mime_util.h"
 #include "components/scheduler/child/webthread_impl_for_worker_scheduler.h"
 #include "content/app/resources/grit/content_resources.h"
 #include "content/app/strings/grit/content_strings.h"
 #include "content/child/background_sync/background_sync_provider.h"
 #include "content/child/background_sync/background_sync_provider_thread_proxy.h"
 #include "content/child/bluetooth/web_bluetooth_impl.h"
 #include "content/child/child_thread_impl.h"
@@ skipping 1254 matching lines @@
   // be reserved for direct use by certain hardware. Thus, we set the limit so
   // that 1.6GB of reported physical memory on a 2GB device is enough to set the
   // limit at 16M pixels, which is a desirable value since 4K*4K is a relatively
   // common texture size.
   return base::SysInfo::AmountOfPhysicalMemory() / 25;
 #else
   return noDecodedImageByteLimit;
 #endif
 }
 
+uint32_t BlinkPlatformImpl::getUniqueIdForProcess() {
+  // TODO(rickyz): Replace this with base::GetUniqueIdForProcess when that's
+  // ready.
+  return base::trace_event::TraceLog::GetInstance()->process_id();
+}
+
 scoped_refptr<base::SingleThreadTaskRunner>
 BlinkPlatformImpl::MainTaskRunnerForCurrentThread() {
   if (main_thread_task_runner_.get() &&
       main_thread_task_runner_->BelongsToCurrentThread()) {
     return main_thread_task_runner_;
   } else {
     return base::ThreadTaskRunnerHandle::Get();
   }
 }
 
 bool BlinkPlatformImpl::IsMainThread() const {
   return main_thread_task_runner_.get() &&
          main_thread_task_runner_->BelongsToCurrentThread();
 }
 
 WebString BlinkPlatformImpl::domCodeStringFromEnum(int dom_code) {
   return WebString::fromUTF8(ui::KeycodeConverter::DomCodeToCodeString(
       static_cast<ui::DomCode>(dom_code)));
 }
 
 int BlinkPlatformImpl::domEnumFromCodeString(const WebString& code) {
   return static_cast<int>(ui::KeycodeConverter::CodeStringToDomCode(
       code.utf8().data()));
 }
 
 }  // namespace content