Move GPU device/driver info related code from content to gpu.

content/browser/gpu/gpu_process_host_ui_shim.cc

Index: content/browser/gpu/gpu_process_host_ui_shim.cc
===================================================================
--- content/browser/gpu/gpu_process_host_ui_shim.cc	(revision 201645)
+++ content/browser/gpu/gpu_process_host_ui_shim.cc	(working copy)
@@ -248,7 +248,8 @@
       level, header, message);
 }
 
-void GpuProcessHostUIShim::OnGraphicsInfoCollected(const GPUInfo& gpu_info) {
+void GpuProcessHostUIShim::OnGraphicsInfoCollected(
+    const gpu::GPUInfo& gpu_info) {
   // OnGraphicsInfoCollected is sent back after the GPU process successfully
   // initializes GL.
   TRACE_EVENT0("test_gpu", "OnGraphicsInfoCollected");