gpu: Use mojom API for recording log messages to the host.

content/browser/gpu/gpu_process_host_ui_shim.cc

Index: content/browser/gpu/gpu_process_host_ui_shim.cc
diff --git a/content/browser/gpu/gpu_process_host_ui_shim.cc b/content/browser/gpu/gpu_process_host_ui_shim.cc
index 252797e0a1ecc212de3b8671927941dd36661717..e753f1aeeb4ad408ca8f90a61f17ba764bbcdb2c 100644
--- a/content/browser/gpu/gpu_process_host_ui_shim.cc
+++ b/content/browser/gpu/gpu_process_host_ui_shim.cc
@@ -148,24 +148,14 @@ bool GpuProcessHostUIShim::OnControlMessageReceived(
   DCHECK(CalledOnValidThread());
 
   IPC_BEGIN_MESSAGE_MAP(GpuProcessHostUIShim, message)
-    IPC_MESSAGE_HANDLER(GpuHostMsg_OnLogMessage, OnLogMessage)
     IPC_MESSAGE_HANDLER(GpuHostMsg_GraphicsInfoCollected,
                         OnGraphicsInfoCollected)
-
     IPC_MESSAGE_UNHANDLED_ERROR()
   IPC_END_MESSAGE_MAP()
 
   return true;
 }
 
-void GpuProcessHostUIShim::OnLogMessage(
-    int level,
-    const std::string& header,
-    const std::string& message) {
-  GpuDataManagerImpl::GetInstance()->AddLogMessage(
-      level, header, message);
-}
-
 void GpuProcessHostUIShim::OnGraphicsInfoCollected(
     const gpu::GPUInfo& gpu_info) {
   // OnGraphicsInfoCollected is sent back after the GPU process successfully