Remove Context3D/Surface3D

ppapi/thunk/ppb_gles_chromium_texture_mapping_thunk.cc

Index: ppapi/thunk/ppb_gles_chromium_texture_mapping_thunk.cc
diff --git a/ppapi/thunk/ppb_gles_chromium_texture_mapping_thunk.cc b/ppapi/thunk/ppb_gles_chromium_texture_mapping_thunk.cc
index 085578a72559a15cbe37796438a82bb9eb456f3e..0963631f7d5f151e01ce1f43c58a2d467cf9b2e2 100644
--- a/ppapi/thunk/ppb_gles_chromium_texture_mapping_thunk.cc
+++ b/ppapi/thunk/ppb_gles_chromium_texture_mapping_thunk.cc
@@ -4,7 +4,6 @@
 
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_context_3d_api.h"
 #include "ppapi/thunk/ppb_graphics_3d_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
@@ -13,7 +12,6 @@ namespace thunk {
 
 namespace {
 
-typedef EnterResource<PPB_Context3D_API> EnterContext3D;
 typedef EnterResource<PPB_Graphics3D_API> EnterGraphics3D;
 
 void* MapTexSubImage2DCHROMIUM(PP_Resource context,
@@ -26,38 +24,18 @@ void* MapTexSubImage2DCHROMIUM(PP_Resource context,
                                GLenum format,
                                GLenum type,
                                GLenum access) {
-  {
-    EnterContext3D enter(context, false);
-    if (enter.succeeded()) {
-      return enter.object()->MapTexSubImage2DCHROMIUM(
-          target, level, xoffset, yoffset, width, height, format, type, access);
-    }
-  }
-  {
-    EnterGraphics3D enter(context, true);
-    if (enter.succeeded()) {
-      return enter.object()->MapTexSubImage2DCHROMIUM(
-          target, level, xoffset, yoffset, width, height, format, type, access);
-    }
+  EnterGraphics3D enter(context, true);
+  if (enter.succeeded()) {
+    return enter.object()->MapTexSubImage2DCHROMIUM(
+        target, level, xoffset, yoffset, width, height, format, type, access);
   }
   return NULL;
 }
 
 void UnmapTexSubImage2DCHROMIUM(PP_Resource context, const void* mem) {
-  {
-    EnterContext3D enter(context, false);
-    if (enter.succeeded()) {
-      enter.object()->UnmapTexSubImage2DCHROMIUM(mem);
-      return;
-    }
-  }
-  {
-    EnterGraphics3D enter(context, true);
-    if (enter.succeeded()) {
-      enter.object()->UnmapTexSubImage2DCHROMIUM(mem);
-      return;
-    }
-  }
+  EnterGraphics3D enter(context, true);
+  if (enter.succeeded())
+    enter.object()->UnmapTexSubImage2DCHROMIUM(mem);
 }
 
 const PPB_GLESChromiumTextureMapping_Dev