Allow binding multiple textures to one DC Layer overlay.

gpu/command_buffer/client/gles2_implementation.cc

Index: gpu/command_buffer/client/gles2_implementation.cc
diff --git a/gpu/command_buffer/client/gles2_implementation.cc b/gpu/command_buffer/client/gles2_implementation.cc
index 584353f07f26e4d8e0d8dfcf201880fb68cce162..e581781861192fe7e35bbf20f8d18e254794c590 100644
--- a/gpu/command_buffer/client/gles2_implementation.cc
+++ b/gpu/command_buffer/client/gles2_implementation.cc
@@ -4998,8 +4998,7 @@ void GLES2Implementation::ScheduleDCLayerSharedStateCHROMIUM(
                                               buffer.shm_id(), buffer.offset());
 }
 
-void GLES2Implementation::ScheduleDCLayerCHROMIUM(GLuint contents_texture_id,
-                                                  const GLfloat* contents_rect,
+void GLES2Implementation::ScheduleDCLayerCHROMIUM(const GLfloat* contents_rect,
                                                   GLuint background_color,
                                                   GLuint edge_aa_mask,
                                                   const GLfloat* bounds_rect,
@@ -5014,9 +5013,8 @@ void GLES2Implementation::ScheduleDCLayerCHROMIUM(GLuint contents_texture_id,
   GLfloat* mem = static_cast<GLfloat*>(buffer.address());
   memcpy(mem + 0, contents_rect, 4 * sizeof(GLfloat));
   memcpy(mem + 4, bounds_rect, 4 * sizeof(GLfloat));
-  helper_->ScheduleDCLayerCHROMIUM(contents_texture_id, background_color,
-                                   edge_aa_mask, filter, buffer.shm_id(),
-                                   buffer.offset());
+  helper_->ScheduleDCLayerCHROMIUM(background_color, edge_aa_mask, filter,
+                                   buffer.shm_id(), buffer.offset());
 }
 
 void GLES2Implementation::CommitOverlayPlanesCHROMIUM() {