Removed arbitrary 4096 size limit on WebGL canvas backbuffers, Take 2

Source/core/html/canvas/WebGLRenderingContextBase.cpp

Index: Source/core/html/canvas/WebGLRenderingContextBase.cpp
diff --git a/Source/core/html/canvas/WebGLRenderingContextBase.cpp b/Source/core/html/canvas/WebGLRenderingContextBase.cpp
index c042e9733c01fc3c39b51f5bc61044aca0247b66..96b70a416bcb5cdfec829432ca06ccceca549602 100644
--- a/Source/core/html/canvas/WebGLRenderingContextBase.cpp
+++ b/Source/core/html/canvas/WebGLRenderingContextBase.cpp
@@ -1011,9 +1011,6 @@ void WebGLRenderingContextBase::reshape(int width, int height)
     // This is an approximation because at WebGLRenderingContextBase level we don't
     // know if the underlying FBO uses textures or renderbuffers.
     GLint maxSize = std::min(m_maxTextureSize, m_maxRenderbufferSize);
-    // Limit drawing buffer size to 4k to avoid memory exhaustion.
-    const int sizeUpperLimit = 4096;
-    maxSize = std::min(maxSize, sizeUpperLimit);
     GLint maxWidth = std::min(maxSize, m_maxViewportDims[0]);
     GLint maxHeight = std::min(maxSize, m_maxViewportDims[1]);
     width = clamp(width, 1, maxWidth);