gpu: Remove WebGraphicsContext3D::makeContextCurrent() in Blink

Source/platform/graphics/gpu/Extensions3DUtil.cpp

Index: Source/platform/graphics/gpu/Extensions3DUtil.cpp
diff --git a/Source/platform/graphics/gpu/Extensions3DUtil.cpp b/Source/platform/graphics/gpu/Extensions3DUtil.cpp
index 3d66b44fa402c6a8b59bbbe0745af7c43cd75795..01fa4ab15335461b7d32b6fe51a26f2455cb246a 100644
--- a/Source/platform/graphics/gpu/Extensions3DUtil.cpp
+++ b/Source/platform/graphics/gpu/Extensions3DUtil.cpp
@@ -42,12 +42,6 @@ Extensions3DUtil::~Extensions3DUtil()
 
 bool Extensions3DUtil::initializeExtensions()
 {
-    if (!m_context->makeContextCurrent()) {
-        // Most likely the GPU process exited and the attempt to reconnect to it failed.
-        // Need to try to restore the context again later.
-        return false;
-    }
-
     if (m_context->isContextLost()) {
         // Need to try to restore the context again later.
         return false;