mac: Finish plumbing for Pepper3D Image Chromium.

ppapi/shared_impl/ppb_graphics_3d_shared.cc

Index: ppapi/shared_impl/ppb_graphics_3d_shared.cc
diff --git a/ppapi/shared_impl/ppb_graphics_3d_shared.cc b/ppapi/shared_impl/ppb_graphics_3d_shared.cc
index af53bfb55c0bf19ec5f91acce0558dab855b41b4..c187c9a370e90070574438678b6a9d515de1390b 100644
--- a/ppapi/shared_impl/ppb_graphics_3d_shared.cc
+++ b/ppapi/shared_impl/ppb_graphics_3d_shared.cc
@@ -51,6 +51,7 @@ int32_t PPB_Graphics3D_Shared::ResizeBuffers(int32_t width, int32_t height) {
     return PP_ERROR_BADARGUMENT;
 
   gles2_impl()->ResizeCHROMIUM(width, height, 1.f, true);
+  SetSize(width, height);
   // TODO(alokp): Check if resize succeeded and return appropriate error code.
   return PP_OK;
 }
@@ -161,4 +162,9 @@ void PPB_Graphics3D_Shared::DestroyGLES2Impl() {
   gles2_helper_.reset();
 }
 
+void PPB_Graphics3D_Shared::SetSize(int32_t width, int32_t height) {
+  width_ = width;
+  height_ = height;
+}
+
 }  // namespace ppapi