Revert of Fix TexStorage3D with compressed ETC2/EAC formats

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp

Index: third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp
diff --git a/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp b/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp
index aeac2e6de194fc722e9b8aea8d23725784bf2710..3d04ecf6f55805db757caba6b23430516db667ad 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp
+++ b/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp
@@ -94,9 +94,6 @@
     GL_DEPTH_COMPONENT32F,
     GL_DEPTH24_STENCIL8,
     GL_DEPTH32F_STENCIL8,
-};
-
-const GLenum kCompressedTextureFormatsETC2EAC[] = {
     GL_COMPRESSED_R11_EAC,
     GL_COMPRESSED_SIGNED_R11_EAC,
     GL_COMPRESSED_RG11_EAC,
@@ -113,8 +110,6 @@
     : WebGLRenderingContextBase(passedCanvas, context, requestedAttributes)
 {
     m_supportedInternalFormatsStorage.insert(kSupportedInternalFormatsStorage, kSupportedInternalFormatsStorage + arraysize(kSupportedInternalFormatsStorage));
-    m_supportedInternalFormatsStorage.insert(kCompressedTextureFormatsETC2EAC, kCompressedTextureFormatsETC2EAC + arraysize(kCompressedTextureFormatsETC2EAC));
-    m_compressedTextureFormatsETC2EAC.insert(kCompressedTextureFormatsETC2EAC, kCompressedTextureFormatsETC2EAC + arraysize(kCompressedTextureFormatsETC2EAC));
 }
 
 WebGL2RenderingContextBase::~WebGL2RenderingContextBase()
@@ -589,11 +584,6 @@
     WebGLTexture* tex = validateTextureBinding(functionName, target, false);
     if (!tex)
         return false;
-
-    if (functionType == TexStorageType3D && target != GL_TEXTURE_2D_ARRAY && m_compressedTextureFormatsETC2EAC.find(internalformat) != m_compressedTextureFormatsETC2EAC.end()) {
-        synthesizeGLError(GL_INVALID_OPERATION, functionName, "target for ETC2/EAC internal formats must be TEXTURE_2D_ARRAY");
-        return false;
-    }
 
     if (m_supportedInternalFormatsStorage.find(internalformat) == m_supportedInternalFormatsStorage.end()) {
         synthesizeGLError(GL_INVALID_ENUM, functionName, "invalid internalformat");