Revert of memory-infra: Finish moving to Mojo (2nd attempt)

content/common/child_process_host_impl.cc

Index: content/common/child_process_host_impl.cc
diff --git a/content/common/child_process_host_impl.cc b/content/common/child_process_host_impl.cc
index 7e8e4203ad32da4ae8803f5547de588aba6da242..082906f5b6f48f77e40e524c4236c98af6cc10e8 100644
--- a/content/common/child_process_host_impl.cc
+++ b/content/common/child_process_host_impl.cc
@@ -32,7 +32,6 @@
 #include "ipc/ipc_logging.h"
 #include "ipc/message_filter.h"
 #include "mojo/edk/embedder/embedder.h"
-#include "services/resource_coordinator/public/interfaces/memory/constants.mojom.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 
 #if defined(OS_LINUX)
@@ -51,6 +50,9 @@
 namespace content {
 
 int ChildProcessHost::kInvalidUniqueID = -1;
+
+uint64_t ChildProcessHost::kBrowserTracingProcessId =
+    std::numeric_limits<uint64_t>::max();
 
 // static
 ChildProcessHost* ChildProcessHost::Create(ChildProcessHostDelegate* delegate) {
@@ -203,7 +205,7 @@
   // tracing process ids.
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kSingleProcess))
-    return memory_instrumentation::mojom::kServiceTracingProcessId;
+    return ChildProcessHost::kBrowserTracingProcessId;
 
   // The hash value is incremented so that the tracing id is never equal to
   // MemoryDumpManager::kInvalidTracingProcessId.