Add version-specific defines for each C interface.

ppapi/c/dev/ppb_opengles_dev.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file is auto-generated. DO NOT EDIT!
 
 // OpenGL ES interface.
 #ifndef PPAPI_C_DEV_PPB_OPENGLES_DEV_H_
 #define PPAPI_C_DEV_PPB_OPENGLES_DEV_H_
 
@@ skipping 13 matching lines @@
 typedef short GLshort;
 typedef float GLfloat;
 typedef float GLclampf;
 typedef int8_t GLbyte;
 typedef uint8_t GLubyte;
 typedef int32_t GLfixed;
 typedef unsigned short GLushort;
 typedef int GLclampx;
 #endif  // __gl2_h_
 
-#define PPB_OPENGLES2_DEV_INTERFACE "PPB_OpenGLES(Dev);2.0"
+// TODO(brettw) this string should be PPB_OpenGLES2;1.0 when this is frozen.
+// The 2.0 is trying to describe the version of OpenGL ES which is different
+// than the Pepper interface version.
+#define PPB_OPENGLES2_DEV_INTERFACE_0_1 "PPB_OpenGLES(Dev);2.0"
+#define PPB_OPENGLES2_DEV_INTERFACE PPB_OPENGLES2_DEV_INTERFACE_0_1
 
 struct PPB_OpenGLES2_Dev {
   void (*ActiveTexture)(PP_Resource context, GLenum texture);
   void (*AttachShader)(PP_Resource context, GLuint program, GLuint shader);
   void (*BindAttribLocation)(
       PP_Resource context, GLuint program, GLuint index, const char* name);
   void (*BindBuffer)(PP_Resource context, GLenum target, GLuint buffer);
   void (*BindFramebuffer)(
       PP_Resource context, GLenum target, GLuint framebuffer);
   void (*BindRenderbuffer)(
@@ skipping 250 matching lines @@
       PP_Resource context, GLuint indx, const GLfloat* values);
   void (*VertexAttribPointer)(
       PP_Resource context, GLuint indx, GLint size, GLenum type,
       GLboolean normalized, GLsizei stride, const void* ptr);
   void (*Viewport)(
       PP_Resource context, GLint x, GLint y, GLsizei width, GLsizei height);
 };
 
 #endif  // PPAPI_C_DEV_PPB_OPENGLES_DEV_H_