Make a new test to enforce the sizes of all structs and enums in the C API....

ppapi/c/dev/ppb_opengles_dev.h

 // Copyright (c) 2010 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!
 
 // This interface is used to access common and lite profile OpenGL ES 2.0
 // functions.
 #ifndef PPAPI_C_DEV_PPB_OPENGLES_DEV_H_
 #define PPAPI_C_DEV_PPB_OPENGLES_DEV_H_
 
 #include "ppapi/GLES2/khrplatform.h"
 
 #define PPB_OPENGLES_DEV_INTERFACE "PPB_OpenGLES(Dev);2.0"
 
 typedef unsigned int GLenum;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLenum, 4);
 typedef void GLvoid;
 typedef khronos_intptr_t GLintptr;
 typedef int GLsizei;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLsizei, 4);
 typedef khronos_ssize_t GLsizeiptr;
 typedef int GLint;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLint, 4);
 typedef unsigned char GLboolean;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLboolean, 1);
 typedef unsigned int GLuint;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLuint, 4);
 typedef unsigned int GLbitfield;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLbitfield, 4);
 typedef short GLshort;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLshort, 2);
 typedef float GLfloat;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLfloat, 4);
 typedef float GLclampf;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLclampf, 4);
 typedef signed char GLbyte;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLbyte, 1);
 typedef unsigned char GLubyte;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLubyte, 1);
 typedef int GLfixed;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLfixed, 4);
 typedef unsigned short GLushort;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLushort, 2);
 typedef int GLclampx;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(GLclampx, 4);
 
 struct PPB_OpenGLES_Dev {
   void (*ActiveTexture)(GLenum texture);
   void (*AttachShader)(GLuint program, GLuint shader);
   void (*BindAttribLocation)(GLuint program, GLuint index, const char* name);
   void (*BindBuffer)(GLenum target, GLuint buffer);
   void (*BindFramebuffer)(GLenum target, GLuint framebuffer);
   void (*BindRenderbuffer)(GLenum target, GLuint renderbuffer);
   void (*BindTexture)(GLenum target, GLuint texture);
   void (*BlendColor)(
@@ skipping 184 matching lines @@
       GLuint indx, GLint size, GLenum type, GLboolean normalized,
       GLsizei stride, const void* ptr);
   void (*Viewport)(GLint x, GLint y, GLsizei width, GLsizei height);
   void (*SwapBuffers)();
   void (*CopyTextureToParentTexture)(
       GLuint client_child_id, GLuint client_parent_id);
 };
 
 #endif  // PPAPI_C_DEV_PPB_OPENGLES_DEV_H_