Generate INVALID_OPERATION error when attempting to bind a deleted object

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

Index: third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
index f603d1fdf07ffd11519a415438f9903395773640..c98c8286cd72565935fe0604ef035889b130040a 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
+++ b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
@@ -1515,8 +1515,10 @@ void WebGLRenderingContextBase::bindBuffer(GLenum target, WebGLBuffer* buffer)
     bool deleted;
     if (!checkObjectToBeBound("bindBuffer", buffer, deleted))
         return;
-    if (deleted)
-        buffer = 0;
+    if (deleted) {
+        synthesizeGLError(GL_INVALID_OPERATION, "bindBuffer", "attempt to bind a deleted buffer");
+        return;
+    }
     if (!validateAndUpdateBufferBindTarget("bindBuffer", target, buffer))
         return;
 
@@ -1528,9 +1530,10 @@ void WebGLRenderingContextBase::bindFramebuffer(GLenum target, WebGLFramebuffer*
     bool deleted;
     if (!checkObjectToBeBound("bindFramebuffer", buffer, deleted))
         return;
-
-    if (deleted)
-        buffer = 0;
+    if (deleted) {
+        synthesizeGLError(GL_INVALID_OPERATION, "bindFramebuffer", "attempt to bind a deleted framebuffer");
+        return;
+    }
 
     if (target != GL_FRAMEBUFFER) {
         synthesizeGLError(GL_INVALID_ENUM, "bindFramebuffer", "invalid target");
@@ -1545,8 +1548,10 @@ void WebGLRenderingContextBase::bindRenderbuffer(GLenum target, WebGLRenderbuffe
     bool deleted;
     if (!checkObjectToBeBound("bindRenderbuffer", renderBuffer, deleted))
         return;
-    if (deleted)
-        renderBuffer = 0;
+    if (deleted) {
+        synthesizeGLError(GL_INVALID_OPERATION, "bindBuffer", "attempt to bind a deleted renderbuffer");

[qiankun, 2016/09/08 09:01:00]

typo: bindBuffer -> bindRenderbuffer

+        return;
+    }
     if (target != GL_RENDERBUFFER) {
         synthesizeGLError(GL_INVALID_ENUM, "bindRenderbuffer", "invalid target");
         return;
@@ -1565,8 +1570,10 @@ void WebGLRenderingContextBase::bindTexture(GLenum target, WebGLTexture* texture
     bool deleted;
     if (!checkObjectToBeBound("bindTexture", texture, deleted))
         return;
-    if (deleted)
-        texture = 0;
+    if (deleted) {
+        synthesizeGLError(GL_INVALID_OPERATION, "bindTexture", "attempt to bind a deleted texture");
+        return;
+    }
     if (texture && texture->getTarget() && texture->getTarget() != target) {
         synthesizeGLError(GL_INVALID_OPERATION, "bindTexture", "textures can not be used with multiple targets");
         return;