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 5d926ec110cc5ca0ba2b87d8259d0ca6cacd00c4..9255e024cb5e864ba3b58bc663b3a92d2e516c6f 100644
--- a/content/renderer/pepper/ppb_graphics_3d_impl.h
+++ b/content/renderer/pepper/ppb_graphics_3d_impl.h
@@ -20,6 +20,9 @@
 #include "ppapi/shared_impl/resource.h"
 
 namespace gpu {
+namespace gles2 {
+struct ContextCreationAttribHelper;
+}
 struct Capabilities;
 class CommandBufferProxyImpl;
 }
@@ -29,12 +32,13 @@ namespace content {
 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 int32_t* attrib_list,
-                               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 gpu::gles2::ContextCreationAttribHelper& attrib_helper,
+      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;
@@ -78,7 +82,7 @@ class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared,
   explicit PPB_Graphics3D_Impl(PP_Instance instance);
 
   bool InitRaw(PPB_Graphics3D_API* share_context,
-               const int32_t* attrib_list,
+               const gpu::gles2::ContextCreationAttribHelper& requested_attribs,
                gpu::Capabilities* capabilities,
                base::SharedMemoryHandle* shared_state_handle,
                gpu::CommandBufferId* command_buffer_id);