Revert of pepper: parse context creation attrib list on the plugin side

content/renderer/pepper/ppb_graphics_3d_impl.h

Index: content/renderer/pepper/ppb_graphics_3d_impl.h
diff --git a/content/renderer/pepper/ppb_graphics_3d_impl.h b/content/renderer/pepper/ppb_graphics_3d_impl.h
index e9615a2768c92cd5ac7adaeaeda1ad9267b01262..abafd2c4b14bd0eaf87ca780c0f5e42d315e0ad9 100644
--- a/content/renderer/pepper/ppb_graphics_3d_impl.h
+++ b/content/renderer/pepper/ppb_graphics_3d_impl.h
@@ -20,9 +20,6 @@
 #include "ppapi/shared_impl/resource.h"
 
 namespace gpu {
-namespace gles2 {
-struct ContextCreationAttribHelper;
-}
 struct Capabilities;
 class CommandBufferProxyImpl;
 }
@@ -32,13 +29,12 @@
 class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared,
                             public gpu::GpuControlClient {
  public:
-  static PP_Resource CreateRaw(
-      PP_Instance instance,
-      PP_Resource share_context,
-      const gpu::gles2::ContextCreationAttribHelper& attrib_helper,
-      gpu::Capabilities* capabilities,
-      base::SharedMemoryHandle* shared_state_handle,
-      gpu::CommandBufferId* command_buffer_id);
+  static PP_Resource CreateRaw(PP_Instance instance,
+                               PP_Resource share_context,
+                               const int32_t* attrib_list,
+                               gpu::Capabilities* capabilities,
+                               base::SharedMemoryHandle* shared_state_handle,
+                               gpu::CommandBufferId* command_buffer_id);
 
   // PPB_Graphics3D_API trusted implementation.
   PP_Bool SetGetBuffer(int32_t transfer_buffer_id) override;
@@ -80,7 +76,7 @@
   explicit PPB_Graphics3D_Impl(PP_Instance instance);
 
   bool InitRaw(PPB_Graphics3D_API* share_context,
-               const gpu::gles2::ContextCreationAttribHelper& attrib_helper,
+               const int32_t* attrib_list,
                gpu::Capabilities* capabilities,
                base::SharedMemoryHandle* shared_state_handle,
                gpu::CommandBufferId* command_buffer_id);