GPU client side changes for GpuMemoryBuffers

gpu/GLES2/gl2extchromium.h

Index: gpu/GLES2/gl2extchromium.h
diff --git a/gpu/GLES2/gl2extchromium.h b/gpu/GLES2/gl2extchromium.h
index 9193467c4e82e07dc2a31106d46be79e916a7aad..d23191cce04e66449fee4abd0a7b32876a55d044 100644
--- a/gpu/GLES2/gl2extchromium.h
+++ b/gpu/GLES2/gl2extchromium.h
@@ -94,6 +94,39 @@ typedef GLboolean (GL_APIENTRY PFNGLUNMAPBUFFERCHROMIUM) (GLuint target);
 #endif
 #endif  /* GL_CHROMIUM_pixel_transfer_buffer_object */
 
+/* GL_CHROMIUM_map_image */
+#ifndef GL_CHROMIUM_map_image
+#define GL_CHROMIUM_map_image 1
+
+#ifndef GL_IMAGE_ROWBYTES_CHROMIUM
+#define GL_IMAGE_ROWBYTES_CHROMIUM 0x78F0
+#endif
+
+#ifndef GL_READ_WRITE
+#define GL_READ_WRITE 0x88BA
+#endif
+
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL GLuint GL_APIENTRY glCreateImageCHROMIUM(
+    GLsizei width, GLsizei height, GLenum internalformat);
+GL_APICALL void GL_APIENTRY glDestroyImageCHROMIUM(GLuint image_id);
+GL_APICALL void GL_APIENTRY glGetImageParameterivCHROMIUM(
+    GLuint image_id, GLenum pname, GLint* params);
+GL_APICALL void* GL_APIENTRY glMapImageCHROMIUM(GLuint image_id, GLenum access);
+GL_APICALL void GL_APIENTRY glUnmapImageCHROMIUM(GLuint image_id);
+#endif
+typedef GLuint (GL_APIENTRYP PFNGLCREATEIMAGECHROMIUMPROC) (
+    GLsizei width, GLsizei height, GLenum internalformat);
+typedef void (
+    GL_APIENTRYP PFNGLDESTROYIMAGECHROMIUMPROC) (GLuint image_id);
+typedef void (
+    GL_APIENTRYP PFNGLGETIMAGEPARAMETERIVCHROMIUMPROC) (
+    GLuint image_id, GLenum pname, GLint* params);
+typedef void* (GL_APIENTRYP PFNGLMAPIMAGECHROMIUMPROC) (
+    GLuint image_id, GLenum access);
+typedef void (GL_APIENTRYP PFNGLUNMAPIMAGECHROMIUMPROC) (GLuint image_id);
+#endif  /* GL_CHROMIUM_map_image */
+
 /* GL_CHROMIUM_map_sub */
 #ifndef GL_CHROMIUM_map_sub
 #define GL_CHROMIUM_map_sub 1