Allow binding multiple textures to one DC Layer overlay.

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 8640ab7e4c8d5bc84002bb1cd0503962d8799e96..8c490833f14a73b8704bfe2f545ba41d75b6290d 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1523,15 +1523,17 @@ GLES2ScheduleDCLayerSharedStateCHROMIUM(GLfloat opacity,
   gles2::GetGLContext()->ScheduleDCLayerSharedStateCHROMIUM(
       opacity, is_clipped, clip_rect, z_order, transform);
 }
-void GL_APIENTRY GLES2ScheduleDCLayerCHROMIUM(GLuint contents_texture_id,
-                                              const GLfloat* contents_rect,
+void GL_APIENTRY GLES2SetDCLayerTextureCHROMIUM(GLuint index,
+                                                GLuint contents_texture_id) {
+  gles2::GetGLContext()->SetDCLayerTextureCHROMIUM(index, contents_texture_id);
+}
+void GL_APIENTRY GLES2ScheduleDCLayerCHROMIUM(const GLfloat* contents_rect,
                                               GLuint background_color,
                                               GLuint edge_aa_mask,
                                               const GLfloat* bounds_rect,
                                               GLuint filter) {
   gles2::GetGLContext()->ScheduleDCLayerCHROMIUM(
-      contents_texture_id, contents_rect, background_color, edge_aa_mask,
-      bounds_rect, filter);
+      contents_rect, background_color, edge_aa_mask, bounds_rect, filter);
 }
 void GL_APIENTRY GLES2MatrixLoadfCHROMIUM(GLenum matrixMode, const GLfloat* m) {
   gles2::GetGLContext()->MatrixLoadfCHROMIUM(matrixMode, m);
@@ -2919,6 +2921,10 @@ extern const NameToFunc g_gles2_function_table[] = {
             glScheduleDCLayerSharedStateCHROMIUM),
     },
     {
+        "glSetDCLayerTextureCHROMIUM",
+        reinterpret_cast<GLES2FunctionPointer>(glSetDCLayerTextureCHROMIUM),
+    },
+    {
         "glScheduleDCLayerCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(glScheduleDCLayerCHROMIUM),
     },