Mandoline: Add WebGL support

mojo/gpu/mojo_gles2_impl_autogen.cc

Index: mojo/gpu/mojo_gles2_impl_autogen.cc
diff --git a/mojo/gpu/mojo_gles2_impl_autogen.cc b/mojo/gpu/mojo_gles2_impl_autogen.cc
index 55e8ba6f45492c6b16630307fdb2dc071fb7e30e..f743c62086b404145ed58b7c26e2abe31caf2d1a 100644
--- a/mojo/gpu/mojo_gles2_impl_autogen.cc
+++ b/mojo/gpu/mojo_gles2_impl_autogen.cc
@@ -12,6 +12,7 @@
 
 #include "base/logging.h"
 #include "third_party/mojo/src/mojo/public/c/gles2/chromium_copy_texture.h"
+#include "third_party/mojo/src/mojo/public/c/gles2/chromium_framebuffer_multisample.h"
 #include "third_party/mojo/src/mojo/public/c/gles2/chromium_image.h"
 #include "third_party/mojo/src/mojo/public/c/gles2/chromium_miscellaneous.h"
 #include "third_party/mojo/src/mojo/public/c/gles2/chromium_pixel_transfer_buffer_object.h"
@@ -1221,7 +1222,9 @@ void MojoGLES2Impl::BlitFramebufferCHROMIUM(GLint srcX0,
                                             GLint dstY1,
                                             GLbitfield mask,
                                             GLenum filter) {
-  NOTREACHED() << "Unimplemented BlitFramebufferCHROMIUM.";
+  MojoGLES2MakeCurrent(context_);
+  glBlitFramebufferCHROMIUM(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1,
+                            dstY1, mask, filter);
 }
 void MojoGLES2Impl::RenderbufferStorageMultisampleCHROMIUM(
     GLenum target,
@@ -1229,7 +1232,9 @@ void MojoGLES2Impl::RenderbufferStorageMultisampleCHROMIUM(
     GLenum internalformat,
     GLsizei width,
     GLsizei height) {
-  NOTREACHED() << "Unimplemented RenderbufferStorageMultisampleCHROMIUM.";
+  MojoGLES2MakeCurrent(context_);
+  glRenderbufferStorageMultisampleCHROMIUM(target, samples, internalformat,
+                                           width, height);
 }
 void MojoGLES2Impl::RenderbufferStorageMultisampleEXT(GLenum target,
                                                       GLsizei samples,