gpu: merge gpu/ipc/host/gpu_memory_buffer_support.cc to gpu/ipc/common/

gpu/ipc/host/BUILD.gn

Index: gpu/ipc/host/BUILD.gn
diff --git a/gpu/ipc/host/BUILD.gn b/gpu/ipc/host/BUILD.gn
index daf7057b92494a423dd5c2e18800b1ef230bba9b..3cc36635153d30fee8527c13d3143d74e9879eec 100644
--- a/gpu/ipc/host/BUILD.gn
+++ b/gpu/ipc/host/BUILD.gn
@@ -6,10 +6,6 @@ import("//build/config/ui.gni")
 
 source_set("host") {
   sources = [
-    "gpu_memory_buffer_support.cc",
-    "gpu_memory_buffer_support.h",
-    "gpu_switches.cc",
-    "gpu_switches.h",
     "shader_disk_cache.cc",
     "shader_disk_cache.h",
   ]
@@ -18,7 +14,5 @@ source_set("host") {
     "//base",
     "//gpu/ipc/common",
     "//net",
-    "//ui/gfx",
-    "//ui/gl",
   ]
 }