Fix blits from multisampled renderbuffers to alpha:false WebGL back buffer.

gpu/command_buffer/cmd_buffer_functions.txt

Index: gpu/command_buffer/cmd_buffer_functions.txt
diff --git a/gpu/command_buffer/cmd_buffer_functions.txt b/gpu/command_buffer/cmd_buffer_functions.txt
index a1055e89b3fe158be61ae9a85d22d81c1b96b3f8..2b87eff786a75f2927fed63a3ba82d33ecd1fc02 100644
--- a/gpu/command_buffer/cmd_buffer_functions.txt
+++ b/gpu/command_buffer/cmd_buffer_functions.txt
@@ -293,6 +293,7 @@ GL_APICALL GLuint       GL_APIENTRY glCreateAndConsumeTextureCHROMIUM (GLenumTex
 GL_APICALL void         GL_APIENTRY glCreateAndConsumeTextureINTERNAL (GLenumTextureBindTarget target, GLuint texture, const GLbyte* mailbox);
 GL_APICALL void         GL_APIENTRY glBindUniformLocationCHROMIUM (GLidProgram program, GLint location, const char* name);
 GL_APICALL void         GL_APIENTRY glBindTexImage2DCHROMIUM (GLenumTextureBindTarget target, GLint imageId);
+GL_APICALL void         GL_APIENTRY glBindTexImage2DWithInternalformatCHROMIUM (GLenumTextureBindTarget target, GLenum internalformat, GLint imageId);
 GL_APICALL void         GL_APIENTRY glReleaseTexImage2DCHROMIUM (GLenumTextureBindTarget target, GLint imageId);
 GL_APICALL void         GL_APIENTRY glTraceBeginCHROMIUM (const char* category_name, const char* trace_name);
 GL_APICALL void         GL_APIENTRY glTraceEndCHROMIUM (void);